Παραπομπή APA

Sharma, S. (1973). Operations research. Kedarnath Ramnath & Company.

Παραπομπή Chicago Style

Sharma, S.D. Operations Research. Meerut: Kedarnath Ramnath & Company, 1973.

Παραπομπή MLA

Sharma, S.D. Operations Research. Kedarnath Ramnath & Company, 1973.