Bass, T. (2012). Football skills & drills (2nd ed.). Human Kinetics.
Cita Chicago Style (17a ed.)Bass, Tom. Football Skills & Drills. 2nd ed. Champaign, IL: Human Kinetics, 2012.
Cita MLA (8a ed.)Bass, Tom. Football Skills & Drills. 2nd ed. Human Kinetics, 2012.
Precaución: Estas citas no son 100% exactas.