Occupational Outlook Quarterly. Bureau of Labor Statistics.
芝加哥风格引文Occupational Outlook Quarterly. Bureau of Labor Statistics.
MLA引文Occupational Outlook Quarterly. Bureau of Labor Statistics.
警告：这些引文格式不一定是100％准确.
APA引文
Occupational Outlook Quarterly. Bureau of Labor Statistics.
芝加哥风格引文Occupational Outlook Quarterly. Bureau of Labor Statistics.
MLA引文Occupational Outlook Quarterly. Bureau of Labor Statistics.