(1991). A Rationale and Set of Principles for the Development of a Systematic Approach to English Diction in Choral Performance Robert E. Fisher. [microform].
Чикаго-гийн эшлэл (17 дахь хэвлэлт)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 -ийн эшлэл (9 дэх хэвлэлт)A Rationale and Set of Principles for the Development of a Systematic Approach to English Diction in Choral Performance Robert E. Fisher. [microform]. 1991.
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