APA (7th ed.) Zitazioa

(1991). A Rationale and Set of Principles for the Development of a Systematic Approach to English Diction in Choral Performance Robert E. Fisher. [microform].

Chicago Style (17th ed.) Zitazioa

A Rationale and Set of Principles for the Development of a Systematic Approach to English Diction in Choral Performance Robert E. Fisher. [microform]. 1991.

MLA (9th ed.) Zitazioa

A Rationale and Set of Principles for the Development of a Systematic Approach to English Diction in Choral Performance Robert E. Fisher. [microform]. 1991.