Berger, F., Ferguson, D. Innovation : Creativity techniques for hospitality managers. New York: John Wiley & Sons, 1990 116 p. 0-471-52774-2.
Berger, F., Ferguson, D. Innovation : Creativity techniques for hospitality managers. New York: John Wiley & Sons, 1990 116 p. 0-471-52774-2.
Berger, F., Ferguson, D. (1990) Innovation : Creativity techniques for hospitality managers, New York: John Wiley & Sons 116 p. 0-471-52774-2.
Berger, F., & Ferguson, D. (1990). Innovation : Creativity techniques for hospitality managers. Monogr.. New York: John Wiley & Sons, 116 p.
Berger F, Ferguson D. Innovation : Creativity techniques for hospitality managers: Monogr.. New York: John Wiley & Sons; 1990. p. 116 p. ISBN: 0-471-52774-2.
