Heyer, A. H. (1980). Historical sets, collected editions, and monuments of music: A guide to their contents (3rd ed.). American Library Association.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHeyer, Anna Harriet. Historical Sets, Collected Editions, and Monuments of Music: A Guide to Their Contents. 3rd ed. Chicago: American Library Association, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHeyer, Anna Harriet. Historical Sets, Collected Editions, and Monuments of Music: A Guide to Their Contents. 3rd ed. American Library Association, 1980.
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