Engel, C., & Pletsch-Betancourt, M. (2009). Emerging transformation in higher education: Concepts, projects, networking : proceedings of the International UNISTAFF Forum, March 2009, Kassel University, Witzenhausen. Institute for Socio-cultural Studies (ISOS); University of Kassel.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Engel, Constanze, و Martina Pletsch-Betancourt. Emerging Transformation in Higher Education: Concepts, Projects, Networking : Proceedings of the International UNISTAFF Forum, March 2009, Kassel University, Witzenhausen. Alemania: Institute for Socio-cultural Studies (ISOS); University of Kassel, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Engel, Constanze, و Martina Pletsch-Betancourt. Emerging Transformation in Higher Education: Concepts, Projects, Networking : Proceedings of the International UNISTAFF Forum, March 2009, Kassel University, Witzenhausen. Institute for Socio-cultural Studies (ISOS); University of Kassel, 2009.