Dyfyniad APA

Sánchez Ureña, B., & Salas Cabrera, J. (2009). Determination of the maximum oxygen consumption of Costa rica’s first division football players in preseason 2008.

Dyfyniad Arddull Chicago

Sánchez Ureña, Braulio, y Jorge Salas Cabrera. Determination of the Maximum Oxygen Consumption of Costa Rica’s First Division Football Players in Preseason 2008. 2009.

Dyfyniad MLA

Sánchez Ureña, Braulio, y Jorge Salas Cabrera. Determination of the Maximum Oxygen Consumption of Costa Rica’s First Division Football Players in Preseason 2008. 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.