Penggayaan APA
ENGER, Eldon D.. (2009).
Concepts in Biology (Thirteenth Edition).
New York:
Mc Graw Hill.
Chicago Style
ENGER, Eldon D..
Concepts in Biology.
Thirteenth Edition
New York:
Mc Graw Hill,
2009.
Buku.
MLA Style
ENGER, Eldon D..
Concepts in Biology.
Thirteenth Edition
New York:
Mc Graw Hill,
2009.
Buku.
Turabian Style
ENGER, Eldon D..
Concepts in Biology.
Thirteenth Edition
New York:
Mc Graw Hill,
2009.
Buku.