APA-referens (7:e uppl.)
Yorke, M., & Longden, B. (2004). Retention and student success in higher education. Society for Research into Higher Education & Open University Press.
Chicago-referens (17:e uppl.)
Yorke, Mantz, och Bernard Longden. Retention and Student Success in Higher Education. Maidenhead: Society for Research into Higher Education & Open University Press, 2004.
MLA-referens (9:e uppl.)
Yorke, Mantz, och Bernard Longden. Retention and Student Success in Higher Education. Society for Research into Higher Education & Open University Press, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.