Gaya APA
Asimov, Isaac. (1977).
Frank Kelly Freas : The Art of Science Fiction .
USA:
Donning Company.
Gaya Chicago
Asimov, Isaac.
Frank Kelly Freas : The Art of Science Fiction.
USA:
Donning Company,
1977.
.
Gaya MLA
Asimov, Isaac.
Frank Kelly Freas : The Art of Science Fiction.
USA:
Donning Company,
1977.
.
Gaya Turabian
Asimov, Isaac.
Frank Kelly Freas : The Art of Science Fiction.
USA:
Donning Company,
1977.
.