APA (7th ed.) Zitazioa
Schneebaum, T. (1988). Keep the river on your right. GMP.
Chicago Style (17th ed.) Zitazioa
Schneebaum, Tobias. Keep the River on Your Right. London: GMP, 1988.
MLA (9th ed.) Zitazioa
Schneebaum, Tobias. Keep the River on Your Right. GMP, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.