Extension study :
retention of dental hygienists in the workforce : final report, April 1992 /
American Dental Hygienists' Association.

APA Citation

American Dental Hygienists' Association. (1992). Extension study: retention of dental hygienists in the workforce : final report, April 1992. [Chicago]: American Dental Hygienists' Association.

MLA Citation

American Dental Hygienists' Association. Extension Study: Retention of Dental Hygienists In the Workforce : Final Report, April 1992. [Chicago]: American Dental Hygienists' Association, 1992.

Warning: These citations may not always be complete (especially for serials).