Colm, G., & Wagner, P. (1966). Federal budget projections; a report of the National Planning Association and the Brookings Institutional. Brookings Institution.
Chicago-referens (17:e uppl.)Colm, Gerhard, och Peter Wagner. Federal Budget Projections; a Report of the National Planning Association and the Brookings Institutional. Washington: Brookings Institution, 1966.
MLA-referens (9:e uppl.)Colm, Gerhard, och Peter Wagner. Federal Budget Projections; a Report of the National Planning Association and the Brookings Institutional. Brookings Institution, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.