APA Style
Hughes, Harold D., Metcalfe, Darrel S.. (1972).
Crop production (Ed.3).
New York:
The Macmillan Company.
Chicago Style
Hughes, Harold D., Metcalfe, Darrel S..
Crop production.
Ed.3
New York:
The Macmillan Company,
1972.
Buku Teks.
MLA Style
Hughes, Harold D., Metcalfe, Darrel S..
Crop production.
Ed.3
New York:
The Macmillan Company,
1972.
Buku Teks.
Turabian Style
Hughes, Harold D., Metcalfe, Darrel S..
Crop production.
Ed.3
New York:
The Macmillan Company,
1972.
Buku Teks.