APA (7. basım) Alıntı
Rittel, H. (1977). A Systems Analysis of the logic of research and information processes.
Chicago Style (17. basım) Atıf
Rittel, Horst. A Systems Analysis of the Logic of Research and Information Processes. 1977.
MLA (9th ed.) Atıf
Rittel, Horst. A Systems Analysis of the Logic of Research and Information Processes. 1977.
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