APA
Khanna B. S., Khanna B., Pandey L. M. & Arora M. N. (1972). Practical Costing. New Delhi: S. Chand & Company.
Chicago
Khanna B S, Khanna B.S, Pandey L M and Arora M N. 1972. Practical Costing. New Delhi: S. Chand & Company.
Harvard
Khanna B. S., Khanna B., Pandey L. M. and Arora M. N. (1972). Practical Costing. New Delhi: S. Chand & Company.
MLA
Khanna B S, Khanna B.S, Pandey L M and Arora M N. Practical Costing. New Delhi: S. Chand & Company. 1972.