Cita APA (7a ed.)

Sparke, A., & Clerk, T. (1994). The practical guide to externalising local authority services. England.

Cita Chicago Style (17a ed.)

Sparke, Andrew, y Town Clerk. The Practical Guide to Externalising Local Authority Services. Longman: England, 1994.

Cita MLA (9a ed.)

Sparke, Andrew, y Town Clerk. The Practical Guide to Externalising Local Authority Services. England, 1994.