United nations industrial development organization. (1979). Industry 2000 perspectives. Austria: Printed.
Trích dẫn kiểu ChicagoUnited nations industrial development organization. Industry 2000 Perspectives. Austria: Printed, 1979.
MLA引文United nations industrial development organization. Industry 2000 Perspectives. Austria: Printed, 1979.
警告：這些引文格式不一定是100％准確.