Citazione APA

Penna, C. V. (1977). National library and information services: A handbook for planners. Butterworths.

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.