Colorado. Governor's Office of State Planning and Budgeting. (2007). State tax rankings. Colorado Office of State Planning and Budgeting.
Chicago Style (17th ed.) CitationColorado. Governor's Office of State Planning and Budgeting. State Tax Rankings. Denver, Colo.: Colorado Office of State Planning and Budgeting, 2007.
MLA (8th ed.) CitationColorado. Governor's Office of State Planning and Budgeting. State Tax Rankings. Colorado Office of State Planning and Budgeting, 2007.
Warning: These citations may not always be 100% accurate.