Cita APA (7th ed.)

Pettman, B. O. (1975). Labour turnover and retention. Gower Press.

Cita Chicago (17th ed.)

Pettman, Barrie O. Labour Turnover and Retention. Epping: Gower Press, 1975.

Cita MLA (8th ed.)

Pettman, Barrie O. Labour Turnover and Retention. Gower Press, 1975.