APA (7. basım) Alıntı
ebrary, Inc, Powell, S., & Green, H. (2007). The doctorate worldwide. Society for Research into Higher Education & Open University Press.
Chicago Style (17. basım) Atıf
ebrary, Inc, Stuart Powell, ve Howard Green. The Doctorate Worldwide. Maidenhead: Society for Research into Higher Education & Open University Press, 2007.
MLA (9th ed.) Atıf
ebrary, Inc, et al. The Doctorate Worldwide. Society for Research into Higher Education & Open University Press, 2007.
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