APA-ийн эшлэл(7 дахь хэвлэлт)

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.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Leenders, Michiel R., ба 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.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Leenders, Michiel R., ба 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.