Gaya APA

Mason, R, O., Mitroff, I, L. (1981). Challenging Strategic Planning Assuptions ; Theory, Cases and Techniques . New York: John Wiley & Sons, Inc.

Gaya MLA

Mason, Richard, O.., Mitroff, Ian, L.. "Challenging Strategic Planning Assuptions ; Theory, Cases and Techniques". New York: John Wiley & Sons, Inc, 1981. Text.