APA (7 वां संस्करण) प्रशस्ति पत्र

Pilhofer, M., & Day, H. (2019). Music theory (4th edition.). John Wiley & Sons.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Pilhofer, Michael, और Holly Day. Music Theory. 4th edition. Hoboken, N.J.: John Wiley & Sons, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Pilhofer, Michael, और Holly Day. Music Theory. 4th edition. John Wiley & Sons, 2019.