Penggayaan APA
KOHNKE, Helmut. (1968).
Soil physics .
New Delhi:
TATA Mc. Graw - Hill Publishing Company LTD.
Chicago Style
KOHNKE, Helmut.
Soil physics.
New Delhi:
TATA Mc. Graw - Hill Publishing Company LTD,
1968.
Buku.
MLA Style
KOHNKE, Helmut.
Soil physics.
New Delhi:
TATA Mc. Graw - Hill Publishing Company LTD,
1968.
Buku.
Turabian Style
KOHNKE, Helmut.
Soil physics.
New Delhi:
TATA Mc. Graw - Hill Publishing Company LTD,
1968.
Buku.