Cita APA (7a ed.)

Robson, M. (1989). Quality circles: A practical guide (2nd ed.). Gower Publishing Limited.

Cita Chicago Style (17a ed.)

Robson, Mike. Quality Circles: A Practical Guide. 2nd ed. Aldershot, England: Gower Publishing Limited, 1989.

Cita MLA (9a ed.)

Robson, Mike. Quality Circles: A Practical Guide. 2nd ed. Gower Publishing Limited, 1989.