@book{212838,
	author = {Gutiérrez Dávila, Marcos. and Oña Sicilia, Antonio},
	title = {Metodología en las ciencias del deporte},
	publisher = {Editorial Síntesis},
	year = {2005.},
	series = {Metodología general y comportamiento, 3},
	address = {Madrid, España},
	edition = {1 era ed.}
}