Penna, C. V. (1977). National library and information services: A handbook for planners. Butterworths.
Style de citation ChicagoPenna, C. V. National Library and Information Services: A Handbook for Planners. London: Butterworths, 1977.
Style de citation MLAPenna, C. V. National Library and Information Services: A Handbook for Planners. Butterworths, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.