APA引文

GUPTA P K. (1990). OPERATIONS RESEARCH (5TH.). SULTAN CHAND AND SONS.

芝加哥风格引文

GUPTA P K. OPERATIONS RESEARCH. 5TH. NEW DELHI: SULTAN CHAND AND SONS, 1990.

MLA引文

GUPTA P K. OPERATIONS RESEARCH. 5TH. SULTAN CHAND AND SONS, 1990.

警告：这些引文格式不一定是100％准确.