APA aipamena

Khanna, B. S. a. . e. a. (2010). Practical Costing.

Chicago Style aipamena

Khanna, B S and et al. Practical Costing. S Chand & Co. Pvt. Ltd., New Delhi, 2010.

MLA aipamena

Khanna, B S and et al. Practical Costing. 2010.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.