Gaya APA
Bishop, D, D., Bishop, , D, D. ().
Crop Science and Food Production (Cet. 1).
NEW YORK:
McGraw-Hill Company.
Gaya MLA
Bishop, Douglas, D.., Bishop, , Douglas, D..
"Crop Science and Food Production".
Cet. 1
NEW YORK:
McGraw-Hill Company,
.
Text.