Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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