Gaya APA
Hoyle, Fred. (1963).
Frontiers Of Astronomy .
New York:
The New American Library.
Gaya Chicago
Hoyle, Fred.
Frontiers Of Astronomy.
New York:
The New American Library,
1963.
Text.
Gaya MLA
Hoyle, Fred.
Frontiers Of Astronomy.
New York:
The New American Library,
1963.
Text.
Gaya Turabian
Hoyle, Fred.
Frontiers Of Astronomy.
New York:
The New American Library,
1963.
Print.