Dyfyniad APA

YIN ROBERT K. (1993). APPLICATION OF CASE STUDY RESEARCH. SAGE PUBLICATIONS.

Dyfyniad Arddull Chicago

YIN ROBERT K. APPLICATION OF CASE STUDY RESEARCH. NEWBURY PARK: SAGE PUBLICATIONS, 1993.

Dyfyniad MLA

YIN ROBERT K. APPLICATION OF CASE STUDY RESEARCH. SAGE PUBLICATIONS, 1993.

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