United States. Bureau of Labor Statistics & United States. Veterans Administration. (1958). Occupational outlook quarterly. Bureau of Labor Statistics.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Bureau of Labor Statistics και United States. Veterans Administration. Occupational Outlook Quarterly. [Washington, D.C.]: Bureau of Labor Statistics, 1958.
Παραπομπή σε μορφή MLA (9th εκδ.)United States. Bureau of Labor Statistics και United States. Veterans Administration. Occupational Outlook Quarterly. Bureau of Labor Statistics, 1958.
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