Halko, J. (1950). Religious census, District of Columbia: General summary. Washington Federation of Churches.
Citación estilo ChicagoHalko, John. Religious Census, District of Columbia: General Summary. Washington, D.C.: Washington Federation of Churches, 1950.
Cita MLAHalko, John. Religious Census, District of Columbia: General Summary. Washington Federation of Churches, 1950.
Warning: These citations may not always be 100% accurate.