Gaya APA
Webster, C.C.. (1980).
Agriculture in the tropics .
London:
English Language Book Society.
Gaya Chicago
Webster, C.C..
Agriculture in the tropics.
London:
English Language Book Society,
1980.
Tesis.
Gaya MLA
Webster, C.C..
Agriculture in the tropics.
London:
English Language Book Society,
1980.
Tesis.
Gaya Turabian
Webster, C.C..
Agriculture in the tropics.
London:
English Language Book Society,
1980.
Tesis.