APA aipamena

(1995). Soil amendments and environmental quality: (Agriculture and environment series). Boca Raton, U.S.A: Lewis Publishers.

Chicago Style aipamena

Soil Amendments and Environmental Quality: (Agriculture and Environment Series). Boca Raton, U.S.A: Lewis Publishers, 1995.

MLA aipamena

Soil Amendments and Environmental Quality: (Agriculture and Environment Series). Boca Raton, U.S.A: Lewis Publishers, 1995.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.