Ramírez, A. (2012). Should they play outside? Cardiorespiratory fitness and air pollution among schoolchildren in Bogotá. Universidad Nacional de Colombia.
Citazione stile Chigago Style (17a edizione)Ramírez, Andrea. Should They Play Outside? Cardiorespiratory Fitness and Air Pollution Among Schoolchildren in Bogotá. Universidad Nacional de Colombia, 2012.
Citatione MLA (9a ed.)Ramírez, Andrea. Should They Play Outside? Cardiorespiratory Fitness and Air Pollution Among Schoolchildren in Bogotá. Universidad Nacional de Colombia, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.