Martin, J. H., & Spar, M. A. (1983). Intercensal estimates and decennial census counts for Virginia localities, 1970-1980. University of Virginia, Colgate Darden Graduate School of Business Administration, Tayloe Murphy Institute.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিMartin, Julia H., এবং Michael A. Spar. Intercensal Estimates and Decennial Census Counts for Virginia Localities, 1970-1980. Charlottesville, Va.: University of Virginia, Colgate Darden Graduate School of Business Administration, Tayloe Murphy Institute, 1983.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিMartin, Julia H., এবং Michael A. Spar. Intercensal Estimates and Decennial Census Counts for Virginia Localities, 1970-1980. University of Virginia, Colgate Darden Graduate School of Business Administration, Tayloe Murphy Institute, 1983.