Pennsylvania directory of occupational wage information

MLA

Pennsylvania. and United States. Pennsylvania directory of occupational wage information. Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Labor and Industry, Bureau of Employment Security, 1978.

APA

Pennsylvania. & United States. (1978). Pennsylvania directory of occupational wage information. Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Labor and Industry, Bureau of Employment Security.

Chicago

Pennsylvania. and United States. Pennsylvania directory of occupational wage information. Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Labor and Industry, Bureau of Employment Security, 1978.