Gaya APA
Intensified systems of farming in the tropics and subtropics. (1997).
Westport:
[s.n.].
Gaya Chicago
Intensified systems of farming in the tropics and subtropics.
.
Westport:
[s.n.],
1997.
Text.
Gaya MLA
Intensified systems of farming in the tropics and subtropics.
.
Westport:
[s.n.],
1997.
Text.
Gaya Turabian
Intensified systems of farming in the tropics and subtropics.
Westport:
[s.n.],
1997.
Print.