United States. Bureau of Labor Statistics & United States. Veterans Administration. (1958). Occupational outlook quarterly. Bureau of Labor Statistics.
Chicago-referens (17:e uppl.)United States. Bureau of Labor Statistics och United States. Veterans Administration. Occupational Outlook Quarterly. [Washington, D.C.]: Bureau of Labor Statistics, 1958.
MLA-referens (9:e uppl.)United States. Bureau of Labor Statistics och United States. Veterans Administration. Occupational Outlook Quarterly. Bureau of Labor Statistics, 1958.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.