Gaya APA
Essentials of biology. (2012).
New York:
McGraw-Hill.
Gaya Chicago
Essentials of biology.
3rd ed..
New York:
McGraw-Hill,
2012.
Buku.
Gaya MLA
Essentials of biology.
3rd ed..
New York:
McGraw-Hill,
2012.
Buku.
Gaya Turabian
Essentials of biology.
New York:
McGraw-Hill,
2012.
Buku.