APA Style
Ali,Marak. (1983).
The Natural Regions of Sumatra and their Agricultural Production Pattern A Regional analysis .
:
Central Research Institute for Food Crops ( CRIFC .
Chicago Style
Ali,Marak.
The Natural Regions of Sumatra and their Agricultural Production Pattern A Regional analysis.
:
Central Research Institute for Food Crops ( CRIFC ,
1983.
Text.
MLA Style
Ali,Marak.
The Natural Regions of Sumatra and their Agricultural Production Pattern A Regional analysis.
:
Central Research Institute for Food Crops ( CRIFC ,
1983.
Text.
Turabian Style
Ali,Marak.
The Natural Regions of Sumatra and their Agricultural Production Pattern A Regional analysis.
:
Central Research Institute for Food Crops ( CRIFC ,
1983.
Print.