Davis, S. (1991). 2020 vision. New York: Fireside.
Trích dẫn kiểu ChicagoDavis, Stan. 2020 Vision. New York: Fireside, 1991.
MLA引文Davis, Stan. 2020 Vision. New York: Fireside, 1991.
警告：这些引文格式不一定是100％准确.
APA引文
Davis, S. (1991). 2020 vision. New York: Fireside.
Trích dẫn kiểu ChicagoDavis, Stan. 2020 Vision. New York: Fireside, 1991.
MLA引文Davis, Stan. 2020 Vision. New York: Fireside, 1991.