Cita APA (7a ed.)

Ritchie, S. (1988). Case studies in management: Private sector : introductory level (2nd ed.). Elm.

Cita Chicago Style (17a ed.)

Ritchie, Sheila. Case Studies in Management: Private Sector : Introductory Level. 2nd ed. Kings Ripton, Cambridgeshire: Elm, 1988.

Cita MLA (9a ed.)

Ritchie, Sheila. Case Studies in Management: Private Sector : Introductory Level. 2nd ed. Elm, 1988.