APA استشهاد

Nag, N. (1996). Quantitative methods. Kalyani.

استشهاد بنمط شيكاغو

Nag, N.K. Quantitative Methods. Ludhiana: Kalyani, 1996.

MLA استشهاد

Nag, N.K. Quantitative Methods. Kalyani, 1996.