Gaya APA
Asimov, Isaac, Bradford, John. (1963).
The Clock We Live On (Revised).
New York:
Collier-Macmillan Limited.
Gaya Chicago
Asimov, Isaac, Bradford, John.
The Clock We Live On.
Revised
New York:
Collier-Macmillan Limited,
1963.
Text.
Gaya MLA
Asimov, Isaac, Bradford, John.
The Clock We Live On.
Revised
New York:
Collier-Macmillan Limited,
1963.
Text.
Gaya Turabian
Asimov, Isaac, Bradford, John.
The Clock We Live On.
Revised
New York:
Collier-Macmillan Limited,
1963.
Print.