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Gaya APA

M.Sc., P, D, H. (2003). Ilmu Tanah . Indonesia: Akademika Pressindo Jakarta, 2010.

Gaya MLA

M.Sc., Prof, Dr.Ir.H.Sarwono, Hardjowigeno,. "Ilmu Tanah". Indonesia: Akademika Pressindo Jakarta, 2010, 2003. Text.