MARKOVIĆ, Darko; ATANASOV, Dragan; BOB, McDougall. Hopscotch to quality in EVS 2.0 : a practical handbook for enhancing quality in European Voluntary Service. Revised and updated 2nd ed.. Ljubljana : SALTO SEE Resource Centre, Movit NA Mladina, 2015. 110 str.. ISBN 978-961-6826-22-8.