Gaya APA
Ranst, V. (1993).
Managing Soil Of The Humd Tropics As Related To Their Mineralogical Properties .
Yogyakarta:
Gadjah Mada University Prees.
Gaya MLA
Ranst, Van.
"Managing Soil Of The Humd Tropics As Related To Their Mineralogical Properties".
Yogyakarta:
Gadjah Mada University Prees,
1993.
Text.