American Youth Football & Galat, J. (2017). Coaching youth football (Sixth edition.). Human Kinetics.
Cita Chicago Style (17a ed.)American Youth Football y Joe Galat. Coaching Youth Football. Sixth edition. Champaign, IL: Human Kinetics, 2017.
Cita MLA (8a ed.)American Youth Football y Joe Galat. Coaching Youth Football. Sixth edition. Human Kinetics, 2017.
Precaución: Estas citas no son 100% exactas.