APA استشهاد

Dilip Kumar, D. (1996). Introductory soil science (2.). Kalyani Publishers.

استشهاد بنمط شيكاغو

Dilip Kumar, Das. Introductory Soil Science. 2. New Delhi: Kalyani Publishers, 1996.

MLA استشهاد

Dilip Kumar, Das. Introductory Soil Science. 2. Kalyani Publishers, 1996.