Cita APA (7th ed.)

(1977). National library and information services: A handbook for planners. Butterworths.

Cita Chicago (17th ed.)

National Library and Information Services: A Handbook for Planners. London: Butterworths, 1977.

Cita MLA (9th ed.)

National Library and Information Services: A Handbook for Planners. Butterworths, 1977.