APA
Nigam & Sharma, . (1985). Practical costing. Bombay: Himalaya.
Chicago
Nigam & Sharma, . 1985. Practical costing. Bombay: Himalaya.
Harvard
Nigam & Sharma, . (1985). Practical costing. Bombay: Himalaya.
MLA
Nigam & Sharma, . Practical costing. Bombay: Himalaya. 1985.