APA (7 ম সংস্করণ) উদ্ধৃতি

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

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

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