توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Bitzer, P. (2016). Design principles for the productive delivery of blended learning services: The case of standard software-trainings in Germany. kassel university press.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Bitzer, Philipp. Design Principles for the Productive Delivery of Blended Learning Services: The Case of Standard Software-trainings in Germany. Kassel, [Germany]: kassel university press, 2016.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Bitzer, Philipp. Design Principles for the Productive Delivery of Blended Learning Services: The Case of Standard Software-trainings in Germany. kassel university press, 2016.