Penggayaan APA
SOPHER, Charles D. (1982).
Sois and soil management (Ed.2).
Reston:
Reston.
Chicago Style
SOPHER, Charles D.
Sois and soil management.
Ed.2
Reston:
Reston,
1982.
Buku.
MLA Style
SOPHER, Charles D.
Sois and soil management.
Ed.2
Reston:
Reston,
1982.
Buku.
Turabian Style
SOPHER, Charles D.
Sois and soil management.
Ed.2
Reston:
Reston,
1982.
Buku.