APA Style
Ayanaba, A.. (1977).
Biological Nitrogen Fixation in Farming Systems of The Tropics .
:
John Wiley & Sons.
Chicago Style
Ayanaba, A..
Biological Nitrogen Fixation in Farming Systems of The Tropics.
:
John Wiley & Sons,
1977.
Text.
MLA Style
Ayanaba, A..
Biological Nitrogen Fixation in Farming Systems of The Tropics.
:
John Wiley & Sons,
1977.
Text.
Turabian Style
Ayanaba, A..
Biological Nitrogen Fixation in Farming Systems of The Tropics.
:
John Wiley & Sons,
1977.
Print.