Gaya APA
N. W. Simmonds,. (1979).
Principles of crop improvement (cet. i).
England:
English Language Book Society.
Gaya Chicago
N. W. Simmonds,.
Principles of crop improvement.
cet. i
England:
English Language Book Society,
1979.
Text.
Gaya MLA
N. W. Simmonds,.
Principles of crop improvement.
cet. i
England:
English Language Book Society,
1979.
Text.
Gaya Turabian
N. W. Simmonds,.
Principles of crop improvement.
cet. i
England:
English Language Book Society,
1979.
Print.