APA
De Bono E., . (1992). Setious creativity. London: Harper Collins Business.
Chicago
De Bono Edward, . 1992. Setious creativity. London: Harper Collins Business.
Harvard
De Bono E., . (1992). Setious creativity. London: Harper Collins Business.
MLA
De Bono Edward, . Setious creativity. London: Harper Collins Business. 1992.
