APA
Khanna B. S., . (1983). Practical costing. New Delhi: S. Chands & Co.
Chicago
Khanna B S, . 1983. Practical costing. New Delhi: S. Chands & Co.
Harvard
Khanna B. S., . (1983). Practical costing. New Delhi: S. Chands & Co.
MLA
Khanna B S, . Practical costing. New Delhi: S. Chands & Co. 1983.