Citazione Stile APA (7a Edizione)

GUPTA P K. (1997). OPERATIONS RESEARCH (3.). SULTAN CHAND AND SONS.

Citazione stile Chigago Style (17a edizione)

GUPTA P K. OPERATIONS RESEARCH. 3. NEW DELHI: SULTAN CHAND AND SONS, 1997.

Citatione MLA (9a ed.)

GUPTA P K. OPERATIONS RESEARCH. 3. SULTAN CHAND AND SONS, 1997.