Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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