Van Riper, C., & Emerick, L. L. (1990). Speech correction: An introduction to speech pathology and audiology (8th ed.). Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVan Riper, Charles, और Lon L. Emerick. Speech Correction: An Introduction to Speech Pathology and Audiology. 8th ed. Englewood Cliffs, N.J: Prentice Hall, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVan Riper, Charles, और Lon L. Emerick. Speech Correction: An Introduction to Speech Pathology and Audiology. 8th ed. Prentice Hall, 1990.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.