Style de citation APA (7e éd.)

Gopalakrishnan, P. (2006). Purchasing and materials management. Tata McGraw-Hill.

Style de citation Chicago (17e éd.)

Gopalakrishnan, P. Purchasing and Materials Management. New delhi.-: Tata McGraw-Hill, 2006.

Style de citation MLA (9e éd.)

Gopalakrishnan, P. Purchasing and Materials Management. Tata McGraw-Hill, 2006.