Gaya APA
HUGHES, Harold D., METCALFE, Darrel S.. (1972).
Crop Production (3rd ed.).
New York:
Macmillan.
Gaya Chicago
HUGHES, Harold D., METCALFE, Darrel S..
Crop Production.
3rd ed.
New York:
Macmillan,
1972.
Teks.
Gaya MLA
HUGHES, Harold D., METCALFE, Darrel S..
Crop Production.
3rd ed.
New York:
Macmillan,
1972.
Teks.
Gaya Turabian
HUGHES, Harold D., METCALFE, Darrel S..
Crop Production.
3rd ed.
New York:
Macmillan,
1972.
Teks.