APA (7 वां संस्करण) प्रशस्ति पत्र
Grubb, T. (1979). Singing in French: A manual of French diction and French vocal repertoire. Schirmer Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Grubb, Thomas. Singing in French: A Manual of French Diction and French Vocal Repertoire. New York: Schirmer Books, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Grubb, Thomas. Singing in French: A Manual of French Diction and French Vocal Repertoire. Schirmer Books, 1979.
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