Santos-Rocha, R., Rieger, T. & Jimenez, A. (eds.) (2015). EUROPE ACTIVE’s Essentials of Fitness Instruction. EUROPE ACTIVE. Human Kinetics. ISBN Print: ISBN 978-1-4504-2379-3. E-book: ISBN 978-1-4925-0591-4. Also available as: 9781450423793, 9781492505914