APA (7th ed.) Zitazioa

Fox, G. (1998). Office etiquette and protocol. Learning Express.

Chicago Style (17th ed.) Zitazioa

Fox, Grace. Office Etiquette and Protocol. Nueva York: Learning Express, 1998.

MLA (9th ed.) Zitazioa

Fox, Grace. Office Etiquette and Protocol. Learning Express, 1998.