APA (7th ed.) Zitazioa

(1990). Say it right how to talk in any business situation / Lillian Glass. [sound recording].

Chicago Style (17th ed.) Zitazioa

Say It Right How to Talk in Any Business Situation / Lillian Glass. [sound Recording]. 1990.

MLA (9th ed.) Zitazioa

Say It Right How to Talk in Any Business Situation / Lillian Glass. [sound Recording]. 1990.

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