Gaya APA
Williams, C.N.. (1987).
Tree and field crops of the wetter regions of the tropics (text).
England:
Longman Group.
Gaya Chicago
Williams, C.N..
Tree and field crops of the wetter regions of the tropics.
text
England:
Longman Group,
1987.
.
Gaya MLA
Williams, C.N..
Tree and field crops of the wetter regions of the tropics.
text
England:
Longman Group,
1987.
.
Gaya Turabian
Williams, C.N..
Tree and field crops of the wetter regions of the tropics.
text
England:
Longman Group,
1987.
.