APA aipamena

Philip Prowse. (1999). Double cross; Level 3. Cambridge, UK: Cambridge Univ. Press.

Chicago Style aipamena

Philip Prowse. Double Cross; Level 3. Cambridge, UK: Cambridge Univ. Press, 1999.

MLA aipamena

Philip Prowse. Double Cross; Level 3. Cambridge, UK: Cambridge Univ. Press, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.