Gaya APA
Discover biology: Core topics. (2007).
New York:
Norton.
Gaya Chicago
Discover biology: Core topics.
3rd.
New York:
Norton,
2007.
Buku.
Gaya MLA
Discover biology: Core topics.
3rd.
New York:
Norton,
2007.
Buku.
Gaya Turabian
Discover biology: Core topics.
New York:
Norton,
2007.
Buku.