APA

Swarup (Kanti); Gupta (P K), . (1999). Operations Research. : .

Chicago

Swarup (Kanti); Gupta (P K), . 1999. Operations Research. : .

Harvard

Swarup (Kanti); Gupta (P K), . (1999). Operations Research. : .

MLA

Swarup (Kanti); Gupta (P K), . Operations Research. : . 1999.