Monson, M. (2022). The opera sisters: Based on a true story. Shadow Mountain Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMonson, Marianne. The Opera Sisters: Based on a True Story. [Salt Lake City]: Shadow Mountain Publishing, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMonson, Marianne. The Opera Sisters: Based on a True Story. Shadow Mountain Publishing, 2022.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.