APA-viite (7. p.)

Erskine, J. (1944). A musical companion: A guide to the understanding and enjoyment of music. Tudor Pub. Co..

Chicago-viite (17. p.)

Erskine, John. A Musical Companion: A Guide to the Understanding and Enjoyment of Music. N.Y.: Tudor Pub. Co., 1944.

MLA-viite (8. p.)

Erskine, John. A Musical Companion: A Guide to the Understanding and Enjoyment of Music. Tudor Pub. Co., 1944.

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