APA
Nigam B. M. &. S. G. L., . (1987). Practical costing. Bombay: Himalayan Pub.
Chicago
Nigam B M & Sharma G L, . 1987. Practical costing. Bombay: Himalayan Pub.
Harvard
Nigam B. M. &. S. G. L., . (1987). Practical costing. Bombay: Himalayan Pub.
MLA
Nigam B M & Sharma G L, . Practical costing. Bombay: Himalayan Pub. 1987.