APA (7th ed.) Zitazioa

Courtney, F. (1976). The soil : an introduction to soil: Study. Hodder and Stoughton.

Chicago Style (17th ed.) Zitazioa

Courtney, F.M. The Soil : An Introduction to Soil: Study. London: Hodder and Stoughton, 1976.

MLA (9th ed.) Zitazioa

Courtney, F.M. The Soil : An Introduction to Soil: Study. Hodder and Stoughton, 1976.