APA استشهاد

V S Kothekar. (1986). Classification and Diagnostics of Soils of The USSR. New delhi.

استشهاد بنمط شيكاغو

V S Kothekar. Classification and Diagnostics of Soils of The USSR. New delhi, 1986.

MLA استشهاد

V S Kothekar. Classification and Diagnostics of Soils of The USSR. New delhi, 1986.