Gaya APA
Pfeiffer, John, Time-Life Books. (1969).
Life Science Library .
New York:
Time-Life Books.
Gaya Chicago
Pfeiffer, John, Time-Life Books.
Life Science Library.
New York:
Time-Life Books,
1969.
Text.
Gaya MLA
Pfeiffer, John, Time-Life Books.
Life Science Library.
New York:
Time-Life Books,
1969.
Text.
Gaya Turabian
Pfeiffer, John, Time-Life Books.
Life Science Library.
New York:
Time-Life Books,
1969.
Print.