Roberts, A. A. (2000). Science fiction.
Chicago Style aipamenaRoberts, Adam; Author. Science Fiction. New York, Routledge, 2000.
MLA aipamenaRoberts, Adam; Author. Science Fiction. 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Roberts, A. A. (2000). Science fiction.
Chicago Style aipamenaRoberts, Adam; Author. Science Fiction. New York, Routledge, 2000.
MLA aipamenaRoberts, Adam; Author. Science Fiction. 2000.