APA aipamena

Foth, H. D. (1997). Soil fertility. New York: Lewis Publishers.

Chicago Style aipamena

Foth, Henry D. Soil Fertility. New York: Lewis Publishers, 1997.

MLA aipamena

Foth, Henry D. Soil Fertility. New York: Lewis Publishers, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.