Gaya APA
DIEROLF, T, S.
(1993).
Cation movement and management in an Indonesian ultisol
.
Ann Arbor, MI:
UMI.
Gaya MLA
DIEROLF, Thomas, S..
"Cation movement and management in an Indonesian ultisol".
Ann Arbor, MI:
UMI,
1993.
Buku.