Gaya APA
Crops of the drier regions of the tropics. (1985).
London:
Longman.
Gaya Chicago
Crops of the drier regions of the tropics.
.
London:
Longman,
1985.
.
Gaya MLA
Crops of the drier regions of the tropics.
.
London:
Longman,
1985.
.
Gaya Turabian
Crops of the drier regions of the tropics.
London:
Longman,
1985.
.