Lua APA (7ú heag.)

Foth, H. D. (1990). Fundamentals of soil science (8th ed.). Wiley.

Lua i Stíl Chicago (17ú heag.)

Foth, H. D. Fundamentals of Soil Science. 8th ed. New York: Wiley, 1990.

Lua MLA (9ú heag.)

Foth, H. D. Fundamentals of Soil Science. 8th ed. Wiley, 1990.

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