APA استشهاد

Parashar, B. P. . .. (1989). Differential and integral equations (2.). C B S Publishers.

استشهاد بنمط شيكاغو

Parashar, B P. Differential and Integral Equations. 2. Delhi: C B S Publishers, 1989.

MLA استشهاد

Parashar, B P. Differential and Integral Equations. 2. C B S Publishers, 1989.