Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.