Gaya APA

Linstone, H, A., Mitroff, I, I. (1994). The challenge of the 21st century: managing technology and ourselves in a shrinking world . New York: State University of New York press.

Gaya MLA

Linstone, Harold, A.., Mitroff, Ian, I.. "The challenge of the 21st century: managing technology and ourselves in a shrinking world". New York: State University of New York press, 1994. Text.