Style de citation APA (7e éd.)

National Council for Voluntary Organisations (Great Britain). (1999). The Voluntary agencies directory, 1999 (18th ed.). NCVO Publications.

Style de citation Chicago (17e éd.)

National Council for Voluntary Organisations (Great Britain). The Voluntary Agencies Directory, 1999. 18th ed. London: NCVO Publications, 1999.

Style de citation MLA (9e éd.)

National Council for Voluntary Organisations (Great Britain). The Voluntary Agencies Directory, 1999. 18th ed. NCVO Publications, 1999.