Gaya APA
Tan, K, H.
(1991).
Dasar-dasar kimia tanah
.
Yogyakarta:
GADJAH MADA UNIVERSITY PRESS.
Gaya MLA
Tan, Kim, H..
"Dasar-dasar kimia tanah".
Yogyakarta:
GADJAH MADA UNIVERSITY PRESS,
1991.
Text.