APA (7 वां संस्करण) प्रशस्ति पत्र

Christy, V. A., & Paton, J. G. (1990). Expressive singing song anthology (3rd ed., low voice ed.). W. C. Brown.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Christy, Van A., और John Glenn Paton. Expressive Singing Song Anthology. 3rd ed., low voice ed. Dubuque: W. C. Brown, 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Christy, Van A., और John Glenn Paton. Expressive Singing Song Anthology. 3rd ed., low voice ed. W. C. Brown, 1990.