Penggayaan APA
EFFICIENCY of nitrogen fertilizers for rice. (1987).
Manila:
International Rice Research Institute.
Chicago Style
EFFICIENCY of nitrogen fertilizers for rice.
.
Manila:
International Rice Research Institute,
1987.
Text.
MLA Style
EFFICIENCY of nitrogen fertilizers for rice.
.
Manila:
International Rice Research Institute,
1987.
Text.
Turabian Style
EFFICIENCY of nitrogen fertilizers for rice.
Manila:
International Rice Research Institute,
1987.
Print.