Gaya APA
Wrigley, Gordon. (1982).
Tropical agriculture : the development of production (text).
New York:
Longman.
Gaya Chicago
Wrigley, Gordon.
Tropical agriculture : the development of production.
text
New York:
Longman,
1982.
Tesis.
Gaya MLA
Wrigley, Gordon.
Tropical agriculture : the development of production.
text
New York:
Longman,
1982.
Tesis.
Gaya Turabian
Wrigley, Gordon.
Tropical agriculture : the development of production.
text
New York:
Longman,
1982.
Tesis.