Gopalakrishnana, P. (1990). Purchasing and materials management.
Chicagoスタイル(17版)引用形式Gopalakrishnana, P. Purchasing and Materials Management. New Delhi, 1990.
MLA(9版)引用形式Gopalakrishnana, P. Purchasing and Materials Management. 1990.
警告: この引用は必ずしも正確ではありません.