Παραπομπή APA

Mehra,R K. (2004). Textbook of soil science. ICAR.

Παραπομπή Chicago Style

Mehra,R K. Textbook of Soil Science. New Delhi: ICAR, 2004.

Παραπομπή MLA

Mehra,R K. Textbook of Soil Science. ICAR, 2004.