Cita APA (7th ed.)

Peter wallington. (1987). Butterworth Employment Law Hand Book (4.). Butter worth London.

Cita Chicago (17th ed.)

Peter wallington. Butterworth Employment Law Hand Book. 4. London: Butter worth London, 1987.

Cita MLA (9th ed.)

Peter wallington. Butterworth Employment Law Hand Book. 4. Butter worth London, 1987.