Dragonfly Productions, Rodale (Firm), Freytag, C., & Ambandos, A. (2006). Walk yourself fit (Full frame presentation.). Rodale.
Cita Chicago Style (17a ed.)Dragonfly Productions, Rodale (Firm), Chris Freytag, y Andrea Ambandos. Walk Yourself Fit. Full frame presentation. [Emmaus, Pa.]: Rodale, 2006.
Cita MLA (8a ed.)Dragonfly Productions, et al. Walk Yourself Fit. Full frame presentation. Rodale, 2006.
Precaución: Estas citas no son 100% exactas.