APA Citation

(2011). Directory of certified companies in Singapore 2011/ 2012. Singapore: Marshall Cavendish Business Information.

Chicago Style Citation

Directory of Certified Companies in Singapore 2011/ 2012. Singapore: Marshall Cavendish Business Information, 2011.

MLA Citation

Directory of Certified Companies in Singapore 2011/ 2012. Singapore: Marshall Cavendish Business Information, 2011.

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