Gaya APA
Boul, Mark. (2010).
Fifty key figures in science fiction .
London:
Routledge.
Gaya Chicago
Boul, Mark.
Fifty key figures in science fiction.
London:
Routledge,
2010.
Text.
Gaya MLA
Boul, Mark.
Fifty key figures in science fiction.
London:
Routledge,
2010.
Text.
Gaya Turabian
Boul, Mark.
Fifty key figures in science fiction.
London:
Routledge,
2010.
Print.