APA
Khanna B. S., Ahuja G. K., Arora M. N. & Pandey I. M. (1990). Practical Costing. New Delhi: S. Chand & Company.
Chicago
Khanna B S, Ahuja G K, Arora M N and Pandey I M. 1990. Practical Costing. New Delhi: S. Chand & Company.
Harvard
Khanna B. S., Ahuja G. K., Arora M. N. and Pandey I. M. (1990). Practical Costing. New Delhi: S. Chand & Company.
MLA
Khanna B S, Ahuja G K, Arora M N and Pandey I M. Practical Costing. New Delhi: S. Chand & Company. 1990.