Παραπομπή 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.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.