APA استشهاد

Foth, H. D. (1973). Fundamentals of soil science (5.). Wiley Eastern Limited.

استشهاد بنمط شيكاغو

Foth, H D. Fundamentals of Soil Science. 5. New Delhi: Wiley Eastern Limited, 1973.

MLA استشهاد

Foth, H D. Fundamentals of Soil Science. 5. Wiley Eastern Limited, 1973.