Gaya APA
Bergamini, David. (1962).
The Universe .
Canada:
Time Incorporated.
Gaya Chicago
Bergamini, David.
The Universe.
Canada:
Time Incorporated,
1962.
Text.
Gaya MLA
Bergamini, David.
The Universe.
Canada:
Time Incorporated,
1962.
Text.
Gaya Turabian
Bergamini, David.
The Universe.
Canada:
Time Incorporated,
1962.
Print.