Gaya APA
Follet, R.F, Stewart, J.W.B. (1987).
Soil Fertility and Organic Matter as Critical Components of Production Systems .
Madison:
Soil Science of America, Inc.
Gaya Chicago
Follet, R.F, Stewart, J.W.B.
Soil Fertility and Organic Matter as Critical Components of Production Systems.
Madison:
Soil Science of America, Inc,
1987.
Text Book.
Gaya MLA
Follet, R.F, Stewart, J.W.B.
Soil Fertility and Organic Matter as Critical Components of Production Systems.
Madison:
Soil Science of America, Inc,
1987.
Text Book.
Gaya Turabian
Follet, R.F, Stewart, J.W.B.
Soil Fertility and Organic Matter as Critical Components of Production Systems.
Madison:
Soil Science of America, Inc,
1987.
Text Book.