APA Citation

(2013). Major telecommunication companies of the world 2013. London: Graham & Whiteside.

Chicago Style Citation

Major Telecommunication Companies of the World 2013. London: Graham & Whiteside, 2013.

MLA Citation

Major Telecommunication Companies of the World 2013. London: Graham & Whiteside, 2013.

Warning: These citations may not always be 100% accurate.