Cita APA

Cough C S. (1979). National library and information services: A handbook for planners. Butter worths.

Citación estilo Chicago

Cough C S. National Library and Information Services: A Handbook for Planners. London: Butter worths, 1979.

Cita MLA

Cough C S. National Library and Information Services: A Handbook for Planners. Butter worths, 1979.