APA aipamena

KHANNA B S. (1985). PRATICAL COSTING (3RD.). SULTAN CHAND AND SONS.

Chicago Style aipamena

KHANNA B S. PRATICAL COSTING. 3RD. NEW DELHI: SULTAN CHAND AND SONS, 1985.

MLA aipamena

KHANNA B S. PRATICAL COSTING. 3RD. SULTAN CHAND AND SONS, 1985.