Gaya APA
Oregon state university school of agriculture. (1982).
Beaverton:
Timber Press.
Gaya Chicago
Oregon state university school of agriculture.
text.
Beaverton:
Timber Press,
1982.
.
Gaya MLA
Oregon state university school of agriculture.
text.
Beaverton:
Timber Press,
1982.
.
Gaya Turabian
Oregon state university school of agriculture.
Beaverton:
Timber Press,
1982.
.