Gaya APA
Gatenby, Ruth M.. (1991).
Sheep .
New York:
The Macmillan Company.
Gaya Chicago
Gatenby, Ruth M..
Sheep.
New York:
The Macmillan Company,
1991.
Teks.
Gaya MLA
Gatenby, Ruth M..
Sheep.
New York:
The Macmillan Company,
1991.
Teks.
Gaya Turabian
Gatenby, Ruth M..
Sheep.
New York:
The Macmillan Company,
1991.
Teks.