APA Citation

(2012). Major chemical & petrochemical companies of the world 2012. London: Graham & Whiteside.

Chicago Style Citation

Major Chemical & Petrochemical Companies of the World 2012. London: Graham & Whiteside, 2012.

MLA Citation

Major Chemical & Petrochemical Companies of the World 2012. London: Graham & Whiteside, 2012.

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