Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group & ebrary, Inc. (1998). The Canadian system of soil classification (3rd ed.). NRC Research Press.
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Chicago Style (17th ed.) Zitazioa
Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group eta Inc ebrary. The Canadian System of Soil Classification. 3rd ed. Ottawa: NRC Research Press, 1998.
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MLA (9th ed.) Zitazioa
Canadian Agricultural Services Coordinating Committee. Soil Classification Working Group eta Inc ebrary. The Canadian System of Soil Classification. 3rd ed. NRC Research Press, 1998.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.