APA aipamena

(1993). Just past the possible. New York: Macmillan-McGraw-Hill Pub. Co.

Chicago Style aipamena

Just Past the Possible. New York: Macmillan-McGraw-Hill Pub. Co, 1993.

MLA aipamena

Just Past the Possible. New York: Macmillan-McGraw-Hill Pub. Co, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.