INDIAN SOCIETY OF SOIL SCIENCE. (2012). FUNDAMENTALS OF SOIL SCIENCE (2ND.). INDIAN SOCIETY OF SOIL SCIENCE, new delhi.
Chicago-viite (17. p.)INDIAN SOCIETY OF SOIL SCIENCE. FUNDAMENTALS OF SOIL SCIENCE. 2ND. INDIAN SOCIETY OF SOIL SCIENCE, new delhi, 2012.
MLA-viite (9. p.)INDIAN SOCIETY OF SOIL SCIENCE. FUNDAMENTALS OF SOIL SCIENCE. 2ND. INDIAN SOCIETY OF SOIL SCIENCE, new delhi, 2012.
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