Diehl, W. C., & Moore, M. G. (2019). Handbook of distance education (Fourth edition.). Routledge.
Chicago Style (17. basım) AtıfDiehl, William C., ve Michael G. Moore. Handbook of Distance Education. Fourth edition. New York: Routledge, 2019.
MLA (9th ed.) AtıfDiehl, William C., ve Michael G. Moore. Handbook of Distance Education. Fourth edition. Routledge, 2019.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..