Gaya APA
Crop Management Economics. (1977).
Amerika:
Allan N. Rae.
Gaya Chicago
Crop Management Economics.
.
Amerika:
Allan N. Rae,
1977.
.
Gaya MLA
Crop Management Economics.
.
Amerika:
Allan N. Rae,
1977.
.
Gaya Turabian
Crop Management Economics.
Amerika:
Allan N. Rae,
1977.
.