Gaya APA
DAY, RA. (2013).
SUSTAINABLE SOIL MANAGEMENT .
Depok:
Elex Media Komputindo.
Gaya Chicago
DAY, RA.
SUSTAINABLE SOIL MANAGEMENT.
Depok:
Elex Media Komputindo,
2013.
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Gaya MLA
DAY, RA.
SUSTAINABLE SOIL MANAGEMENT.
Depok:
Elex Media Komputindo,
2013.
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Gaya Turabian
DAY, RA.
SUSTAINABLE SOIL MANAGEMENT.
Depok:
Elex Media Komputindo,
2013.
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