APA استشهاد

Prem Narain, K. O. P., & Sharma, V. K. (1991). Recent advances in agricultural statistics research. Wiley eastern ltd.

استشهاد بنمط شيكاغو

Prem Narain, Kothuria O P., و V K. Sharma. Recent Advances in Agricultural Statistics Research. Newdelhi: Wiley eastern ltd, 1991.

MLA استشهاد

Prem Narain, Kothuria O P., و V K. Sharma. Recent Advances in Agricultural Statistics Research. Wiley eastern ltd, 1991.