(1939). Mozarteum Summer Academy of Music, Theatre and Dancing in Salzburg 1939 [Programmheft].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMozarteum Summer Academy of Music, Theatre and Dancing in Salzburg 1939 [Programmheft]. Salzburg, 1939.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMozarteum Summer Academy of Music, Theatre and Dancing in Salzburg 1939 [Programmheft]. 1939.
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