Cross-training for dummiesde Tony RyanMateriasPhysical fitnessHandbooks, manualsExercisePhysical education and trainingEdiciones (1)Cross-Training for Dummies (2000)For Dummies · inglés · ISBN 9780764552373Más obras de Tony RyanNew approaches to preventing suicideProject SunshineCCross-Training for DummiesCross-Training for Dummies