APA aipamena

Lal, R. (1999). Soil quality and soil erosion. CRC Press.

Chicago Style aipamena

Lal, Rattan. Soil Quality and Soil Erosion. Boca Raton: CRC Press, 1999.

MLA aipamena

Lal, Rattan. Soil Quality and Soil Erosion. CRC Press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.