APA (7th ed.) Zitazioa

Ross, S. (1989). Soil processes: A systematic approach. Routledge.

Chicago Style (17th ed.) Zitazioa

Ross, Sheila. Soil Processes: A Systematic Approach. London: Routledge, 1989.

MLA (9th ed.) Zitazioa

Ross, Sheila. Soil Processes: A Systematic Approach. Routledge, 1989.