Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Leenders, Michiel R., i 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.

Cita MLA (9th ed.)

Leenders, Michiel R., i 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.