Cita APA (7a ed.)

Drewry, G., & Butcher, T. (1988). The civil service today. B. Blackwell.

Cita Chicago Style (17a ed.)

Drewry, Gavin, y Tony Butcher. The Civil Service Today. Oxford: B. Blackwell, 1988.

Cita MLA (9a ed.)

Drewry, Gavin, y Tony Butcher. The Civil Service Today. B. Blackwell, 1988.