Gaya APA
Grolier, dkk. (1974).
The New Book Of Knowledge .
Amerika:
Grolier.
Gaya Chicago
Grolier, dkk.
The New Book Of Knowledge.
Amerika:
Grolier,
1974.
Text.
Gaya MLA
Grolier, dkk.
The New Book Of Knowledge.
Amerika:
Grolier,
1974.
Text.
Gaya Turabian
Grolier, dkk.
The New Book Of Knowledge.
Amerika:
Grolier,
1974.
Print.