Rogal, S. J. (1991). A general introduction to hymnody and congregational song. American Theological Library Association ; Scarecrow Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRogal, Samuel J. A General Introduction to Hymnody and Congregational Song. [Philadelphia] : Metuchen, N.J.: American Theological Library Association ; Scarecrow Press, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRogal, Samuel J. A General Introduction to Hymnody and Congregational Song. American Theological Library Association ; Scarecrow Press, 1991.
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