Gaya APA
ETGEN, William M.. (1987).
Dairy Cattle Feeding and Management (7).
New York:
John Wiley and Sons.
Gaya Chicago
ETGEN, William M..
Dairy Cattle Feeding and Management.
7
New York:
John Wiley and Sons,
1987.
Teks.
Gaya MLA
ETGEN, William M..
Dairy Cattle Feeding and Management.
7
New York:
John Wiley and Sons,
1987.
Teks.
Gaya Turabian
ETGEN, William M..
Dairy Cattle Feeding and Management.
7
New York:
John Wiley and Sons,
1987.
Teks.