Citazione Stile APA (7a Edizione)

Choudhary, A. (1999). Purchasing and supply management. Commonwealth.

Citazione stile Chigago Style (17a edizione)

Choudhary, A.K. Purchasing and Supply Management. New Delhi: Commonwealth, 1999.

Citatione MLA (9a ed.)

Choudhary, A.K. Purchasing and Supply Management. Commonwealth, 1999.