APA
Khanna B. S., Arora M. N., Khanna B. & Ahuja G. K. (1974). Practical Costing. New Delhi: S. Chand & Company.
Chicago
Khanna B S, Arora M N, Khanna B.S and Ahuja G K. 1974. Practical Costing. New Delhi: S. Chand & Company.
Harvard
Khanna B. S., Arora M. N., Khanna B. and Ahuja G. K. (1974). Practical Costing. New Delhi: S. Chand & Company.
MLA
Khanna B S, Arora M N, Khanna B.S and Ahuja G K. Practical Costing. New Delhi: S. Chand & Company. 1974.