Penggayaan APA
CURTIS, Helena. (1983).
Biology (ed. 4).
New York:
Worth Publisher.
Chicago Style
CURTIS, Helena.
Biology.
ed. 4
New York:
Worth Publisher,
1983.
Buku.
MLA Style
CURTIS, Helena.
Biology.
ed. 4
New York:
Worth Publisher,
1983.
Buku.
Turabian Style
CURTIS, Helena.
Biology.
ed. 4
New York:
Worth Publisher,
1983.
Buku.