Παραπομπή APA

Lal, R., & Shukla, M. K. (2004). Principles of soil physics. Marcel Dekker.

Παραπομπή Chicago Style

Lal, Rattan, και Manoj K. Shukla. Principles of Soil Physics. New York: Marcel Dekker, 2004.

Παραπομπή MLA

Lal, Rattan, και Manoj K. Shukla. Principles of Soil Physics. Marcel Dekker, 2004.