1. American Dental Hygienists’ Association Policy manual
2. Commission on Dental Accreditation Survey of allied dental education: report 1, dental hygiene education programs, 2015-16
3. American Dental Education Association Cost and borrowing report 2013
4. Institute for College Access & Success Still denied: how community colleges shortchange students by not offering federal loans
5. Bureau of Labor Statistics, U.S. Department of Labor Occupational outlook handbook, 2014-15: dental hygienists