Gaya APA
Biology made simple. (1972).
New York:
Doubleday&company.
Gaya Chicago
Biology made simple.
.
New York:
Doubleday&company,
1972.
Buku.
Gaya MLA
Biology made simple.
.
New York:
Doubleday&company,
1972.
Buku.
Gaya Turabian
Biology made simple.
New York:
Doubleday&company,
1972.
Buku.