Gaya APA
ETGEN, William M.. (1978).
Dairy Cattle Feeding and Management (6th. ed.).
New York:
John Wiley and Sons.
Gaya Chicago
ETGEN, William M..
Dairy Cattle Feeding and Management.
6th. ed.
New York:
John Wiley and Sons,
1978.
Teks.
Gaya MLA
ETGEN, William M..
Dairy Cattle Feeding and Management.
6th. ed.
New York:
John Wiley and Sons,
1978.
Teks.
Gaya Turabian
ETGEN, William M..
Dairy Cattle Feeding and Management.
6th. ed.
New York:
John Wiley and Sons,
1978.
Teks.