Gaya APA
Herren, Ray V.. (2018).
The Science of Agriculture : A Biological Approach .
Singapore:
Cengage Learning.
Gaya Chicago
Herren, Ray V..
The Science of Agriculture : A Biological Approach.
Singapore:
Cengage Learning,
2018.
Text.
Gaya MLA
Herren, Ray V..
The Science of Agriculture : A Biological Approach.
Singapore:
Cengage Learning,
2018.
Text.
Gaya Turabian
Herren, Ray V..
The Science of Agriculture : A Biological Approach.
Singapore:
Cengage Learning,
2018.
Print.