Gaya APA
Osborne, S. (2002).
Agronomy journal : an International Journal of agriculture and natural resource sciences, vol 94, ist Ed, 2002 .
Mercu buana:
The American Socirty of Agronomy Publishes Agronomy Journal Stanford University Libraries.
Gaya MLA
Osborne, S.L.
"Agronomy journal : an International Journal of agriculture and natural resource sciences, vol 94, ist Ed, 2002".
Mercu buana:
The American Socirty of Agronomy Publishes Agronomy Journal Stanford University Libraries,
2002.
Text.