(2019). Open education studies. De Gruyter.
Chicago Style (17. basım) AtıfOpen Education Studies. Berlin, Germany: De Gruyter, 2019.
MLA (9th ed.) AtıfOpen Education Studies. De Gruyter, 2019.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..
(2019). Open education studies. De Gruyter.
Chicago Style (17. basım) AtıfOpen Education Studies. Berlin, Germany: De Gruyter, 2019.
MLA (9th ed.) AtıfOpen Education Studies. De Gruyter, 2019.