You can get bitcoin from any of the following exchanges

BTC-e

BTC-e provides an online tool that allows users to freely trade Bitcoins for a number of different currencies worldwide.

Coinbase

Coinbase is a bitcoin wallet and platform where merchants and consumers can transact with the new digital currency bitcoin.

Bitstamp

Bitstamp is one of the largest bitcoin exchanges in the world. It has been serving Europe and the world since August 2011.

ICE³X

iceCUBED is registered as ‘Internet Currency Evolution Cubed (Pty) LTD’ based in South Africa, trading in ZAR(R), USD($) and GBP(£)

ANX

The world's only exchange that allows you to buy and sell in USD, EUR, HKD, AUD, CAD, JPY, SGD, GBP, NZD and CHF.

BTC Markets

BTC Markets is a Bitcoin exchange based in, Australia. They offer a secure and reliable trading platform for buying or selling Bitcoins.

Local Bitcoins

The site allows users to post advertisements where they state exchange rate and payment methods for buying or selling bitcoins.

Bittylicious

This is a bitcoin exchange based in London, allowing users to place orders and trade directly using the Bittylicious platform as an escrow service.

BTC China

Founded in 2011, BTCChina (btcchina.com) began as China's first Bitcoin exchange with a strong reputation based on trust, reliability and stability.

BitPay

BitPay is building infrastructure, developing Bitcoin's open-source ecosystem, and bringing Bitcoin to the world.

GoCoin

GoCoin makes it possible for merchants to accept digital currencies like bitcoin, litecoin and dogecoin at checkout. We are constantly monitoring and adding new, emerging altcoins.

Bips

Assist in enabling even the smallest of businesses to accept both online and offline secure payments.