APA

United States, . (1991). The Revised handbook for analyzing jobs. Washington: Employment and Training Administration.

Chicago

United States, . 1991. The Revised handbook for analyzing jobs. Washington: Employment and Training Administration.

Harvard

United States, . (1991). The Revised handbook for analyzing jobs. Washington: Employment and Training Administration.

MLA

United States, . The Revised handbook for analyzing jobs. Washington: Employment and Training Administration. 1991.