Wiegratz, W., Gennet, R., & Mueller, M. (2003). Play piano today!: A complete guide to the basics. Hal Leonard Corp..
Cita Chicago Style (17a ed.)Wiegratz, Warren, Robbie Gennet, y Michael Mueller. Play Piano Today!: A Complete Guide to the Basics. Milwaukee: Hal Leonard Corp., 2003.
Cita MLA (8a ed.)Wiegratz, Warren, et al. Play Piano Today!: A Complete Guide to the Basics. Hal Leonard Corp., 2003.
Precaución: Estas citas no son 100% exactas.