National Service to Regional Councils. (1970). Regional council profiles. s.n.
Citazione stile Chigago Style (17a edizione)National Service to Regional Councils. Regional Council Profiles. Washington, D. C: s.n, 1970.
Citatione MLA (9a ed.)National Service to Regional Councils. Regional Council Profiles. s.n, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.