United States. Bureau of Labor Statistics & United States. Veterans Administration. (1958). Occupational outlook quarterly. Bureau of Labor Statistics.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)United States. Bureau of Labor Statistics ба United States. Veterans Administration. Occupational Outlook Quarterly. [Washington, D.C.]: Bureau of Labor Statistics, 1958.
MLA -ийн эшлэл (9 дэх хэвлэлт)United States. Bureau of Labor Statistics ба United States. Veterans Administration. Occupational Outlook Quarterly. Bureau of Labor Statistics, 1958.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.