Gaya APA
Ginting, C. (1999).
Toward Sustainable Agriculture In Humid Tropics Facing 21 St Century .
Lampung:
University Of Lampung (UNILA ).
Gaya MLA
Ginting, Cipta.
"Toward Sustainable Agriculture In Humid Tropics Facing 21 St Century".
Lampung:
University Of Lampung (UNILA ),
1999.
Text.