APA استشهاد

Kaul, B. N. (1969). Elements of scientific methods. Sultan Chand & Sons.

استشهاد بنمط شيكاغو

Kaul, B. N. Elements of Scientific Methods. Delhi: Sultan Chand & Sons, 1969.

MLA استشهاد

Kaul, B. N. Elements of Scientific Methods. Sultan Chand & Sons, 1969.