APA (7th ed.) Zitazioa
Gardner, E. S. Perry Mason Solves the Case of the Bigamous Spouse. Pocket Books.
Chicago Style (17th ed.) Zitazioa
Gardner, Erle Stanley. Perry Mason Solves the Case of the Bigamous Spouse. Nueva York, EUA: Pocket Books.
MLA (9th ed.) Zitazioa
Gardner, Erle Stanley. Perry Mason Solves the Case of the Bigamous Spouse. Pocket Books.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.