Duffy, S., & Duffy, S. (2014). Launch! (1st edition.). Recorded Books.
Cita Chicago Style (17a ed.)Duffy, Scott, y Scott Duffy. Launch! 1st edition. Recorded Books, 2014.
Cita MLA (9a ed.)Duffy, Scott, y Scott Duffy. Launch! 1st edition. Recorded Books, 2014.
Precaución: Estas citas no son 100% exactas.
