Cita APA (7a ed.)

Dul, J., & Hak, T. (2008). Case study methodology in business research. Elsevier.

Cita Chicago Style (17a ed.)

Dul, Jan, y Tony Hak. Case Study Methodology in Business Research. Amsterdam [etc.]: Elsevier, 2008.

Cita MLA (9a ed.)

Dul, Jan, y Tony Hak. Case Study Methodology in Business Research. Elsevier, 2008.