Schroedl, J., & Downing, D. (1999). Play guitar today!: The ultimate self-teaching method! : a complete guide to the basics. H. Leonard.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchroedl, Jeff, और Doug Downing. Play Guitar Today!: The Ultimate Self-teaching Method! : A Complete Guide to the Basics. Milwaukee, WI: H. Leonard, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchroedl, Jeff, और Doug Downing. Play Guitar Today!: The Ultimate Self-teaching Method! : A Complete Guide to the Basics. H. Leonard, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.