APA aipamena

(1994). Soil biology: Effects on soil quality. Boca Raton-USA: Lewis Publishers.

Chicago Style aipamena

Soil Biology: Effects On Soil Quality. Boca Raton-USA: Lewis Publishers, 1994.

MLA aipamena

Soil Biology: Effects On Soil Quality. Boca Raton-USA: Lewis Publishers, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.