Cita APA (7a ed.)

Central office of information. (1993). Britain 1993: An official handbook. HMSO.

Cita Chicago Style (17a ed.)

Central office of information. Britain 1993: An Official Handbook. London: HMSO, 1993.

Cita MLA (8a ed.)

Central office of information. Britain 1993: An Official Handbook. HMSO, 1993.