APA (7. basım) Alıntı

De Bono, E. (1999). Six thinking hats. 1st Back Bay pbk. ed., rev. and updated. Back Bay Books.

Chicago Style (17. basım) Atıf

De Bono, Edward. Six Thinking Hats. 1st Back Bay Pbk. Ed., Rev. and Updated. Boston: Back Bay Books, 1999.

MLA (9th ed.) Atıf

De Bono, Edward. Six Thinking Hats. 1st Back Bay Pbk. Ed., Rev. and Updated. Back Bay Books, 1999.