APA引文

Freeman, C. (1982). Unemployment and technical innovation: A study of long waves and economic development. London: Frances Pinter.

Trích dẫn kiểu Chicago

Freeman, Christopher. Unemployment and Technical Innovation: A Study of Long Waves and Economic Development. London: Frances Pinter, 1982.

MLA引文

Freeman, Christopher. Unemployment and Technical Innovation: A Study of Long Waves and Economic Development. London: Frances Pinter, 1982.

警告：這些引文格式不一定是100％准確.