APA引文

Ayres, R. U. (1969). Technological forecasting and long-range planning. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Ayres, Robert U. Technological Forecasting and Long-range Planning. New York: McGraw-Hill, 1969.

MLA引文

Ayres, Robert U. Technological Forecasting and Long-range Planning. New York: McGraw-Hill, 1969.

警告：這些引文格式不一定是100％准確.