Dictionary of occupational titles. Suffix codes for jobs defined in the dictionary of occupational tiltes
MLA
Dictionary of Occupational Titles: Suffix Codes for Jobs Defined In the Dictionary of Occupational Tiltes. 3d ed. Washington, D.C.: U.S. G.P.O., 1967
APA, 7th edition
(1967). Dictionary of occupational titles: Suffix codes for jobs defined in the dictionary of occupational tiltes. 3d ed. Washington, D.C.: U.S. G.P.O
Chicago, 17th edition
Dictionary of occupational titles: Suffix codes for jobs defined in the dictionary of occupational tiltes. 3d ed. Washington, D.C.: U.S. G.P.O., 1967