SpringerLink (Online service), Qayyum, A., & Zawacki-Richter, O. (2018). Open and Distance Education in Australia, Europe and the Americas: National Perspectives in a Digital Age (1st ed. 2018.). Springer Nature Singapore : Imprint: Springer. https://doi.org/10.1007/978-981-13-0298-5
Чикаго-гийн эшлэл (17 дахь хэвлэлт)SpringerLink (Online service), Adnan Qayyum, ба Olaf Zawacki-Richter. Open and Distance Education in Australia, Europe and the Americas: National Perspectives in a Digital Age. 1st ed. 2018. Singapore: Springer Nature Singapore : Imprint: Springer, 2018. https://doi.org/10.1007/978-981-13-0298-5.
MLA -ийн эшлэл (9 дэх хэвлэлт)SpringerLink (Online service), et al. Open and Distance Education in Australia, Europe and the Americas: National Perspectives in a Digital Age. 1st ed. 2018. Springer Nature Singapore : Imprint: Springer, 2018. https://doi.org/10.1007/978-981-13-0298-5.