Gaya APA
Waluyo, Setiyo Hadi. (2000).
Biological nitrogen fixation of soybean in acid soils of Sumatra, Indonesia .
Netherlands:
Wegenigen Universiteit .
Gaya Chicago
Waluyo, Setiyo Hadi.
Biological nitrogen fixation of soybean in acid soils of Sumatra, Indonesia.
Netherlands:
Wegenigen Universiteit ,
2000.
Text.
Gaya MLA
Waluyo, Setiyo Hadi.
Biological nitrogen fixation of soybean in acid soils of Sumatra, Indonesia.
Netherlands:
Wegenigen Universiteit ,
2000.
Text.
Gaya Turabian
Waluyo, Setiyo Hadi.
Biological nitrogen fixation of soybean in acid soils of Sumatra, Indonesia.
Netherlands:
Wegenigen Universiteit ,
2000.
Print.