Leenders, M. R., & Erskine, J. A. (1989). Case research: The case writing process (3rd ed.). Research and Publications Division, School of Business Administration, The University of Western Ontario.
Lua i Stíl Chicago (17ú heag.)Leenders, Michiel R., agus James A. Erskine. Case Research: The Case Writing Process. 3rd ed. Ontario: Research and Publications Division, School of Business Administration, The University of Western Ontario, 1989.
Lua MLA (9ú heag.)Leenders, Michiel R., agus James A. Erskine. Case Research: The Case Writing Process. 3rd ed. Research and Publications Division, School of Business Administration, The University of Western Ontario, 1989.
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