SpringerLink (Online service), Hallmann, K., & Fairley, S. (2018). Sports Volunteers Around the Globe: Meaning and Understanding of Volunteering and its Societal Impact (1st ed. 2018.). Springer International Publishing : Imprint: Springer. https://doi.org/10.1007/978-3-030-02354-6
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Kirstin Hallmann, και Sheranne Fairley. Sports Volunteers Around the Globe: Meaning and Understanding of Volunteering and Its Societal Impact. 1st ed. 2018. Cham: Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-030-02354-6.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Sports Volunteers Around the Globe: Meaning and Understanding of Volunteering and Its Societal Impact. 1st ed. 2018. Springer International Publishing : Imprint: Springer, 2018. https://doi.org/10.1007/978-3-030-02354-6.