Grayson, R., & Hansen, I. (2005). Baffled parent's guide to coaching girls' soccer. McGraw-Hill.
Cita Chicago (17th ed.)Grayson, Rick, i Ingrid Hansen. Baffled Parent's Guide to Coaching Girls' Soccer. New York: McGraw-Hill, 2005.
Cita MLA (9th ed.)Grayson, Rick, i Ingrid Hansen. Baffled Parent's Guide to Coaching Girls' Soccer. McGraw-Hill, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.