278540 Yorke, M., & Longden, B. (2004). Retention and student success in higher education. Berkshire : Open University Press.
Čikaški stil citiranja (17. izdanje)278540 Yorke, Mantz, i Bernard Longden. Retention and Student Success in Higher Education. Berkshire : Open University Press, 2004.
MLA način citiranja (9. izdanje)278540 Yorke, Mantz, i Bernard Longden. Retention and Student Success in Higher Education. Berkshire : Open University Press, 2004.
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