APA citiranje

Qayyum, A., & Zawacki-Richter, O. (2020). Open and Distance Education in Australia, Europe and the Americas. Springer Singapore.

Trích dẫn kiểu Chicago

Qayyum, Adnan, và Olaf Zawacki-Richter. Open and Distance Education in Australia, Europe and the Americas. Springer Singapore, 2020.

MLA citiranje

Qayyum, Adnan, và Olaf Zawacki-Richter. Open and Distance Education in Australia, Europe and the Americas. Springer Singapore, 2020.