Cita APA

Kohnke, H. (1968). Soil physics.

Chicago Edition Citation

Kohnke, Helmut. Soil Physics. New Delhi, Tata Mc Graw Hill Publishing Company, 1968.

Cita MLA

Kohnke, Helmut. Soil Physics. 1968.

Atenció: Aquestes cites poden no estar 100% correctes.