Gaya APA
Packard, Vance. (1962).
The Pyramid Climbers .
New York:
McGraw-Hill.
Gaya Chicago
Packard, Vance.
The Pyramid Climbers.
New York:
McGraw-Hill,
1962.
Text.
Gaya MLA
Packard, Vance.
The Pyramid Climbers.
New York:
McGraw-Hill,
1962.
Text.
Gaya Turabian
Packard, Vance.
The Pyramid Climbers.
New York:
McGraw-Hill,
1962.
Print.