Freedman, D. H. (1979). Employment: Outlook and insights. Geneva: International labour office.
Trích dẫn kiểu ChicagoFreedman, David H. Employment: Outlook and Insights. Geneva: International labour office, 1979.
MLA引文Freedman, David H. Employment: Outlook and Insights. Geneva: International labour office, 1979.
警告:這些引文格式不一定是100%准確.