*Alexander Gil Arias, *. P. M. A. (2011). Study of service in young volleyball players, taking into account efficacy and role play. FEADEF.
Chicago Style (17th ed.) Citation*Alexander Gil Arias, *M. Perla Moreno Arroyo. Study of Service in Young Volleyball Players, Taking into Account Efficacy and Role Play. FEADEF, 2011.
MLA (9th ed.) Citation*Alexander Gil Arias, *M. Perla Moreno Arroyo. Study of Service in Young Volleyball Players, Taking into Account Efficacy and Role Play. FEADEF, 2011.
Warning: These citations may not always be 100% accurate.