Cita APA (7a ed.)

Crocker Olga L. (1984). Quality circles: A guide to participation and productivity. Methuen.

Cita Chicago Style (17a ed.)

Crocker Olga L. Quality Circles: A Guide to Participation and Productivity. Toronto: Methuen, 1984.

Cita MLA (9a ed.)

Crocker Olga L. Quality Circles: A Guide to Participation and Productivity. Methuen, 1984.