Gaya APA

Edward, D, B. (1985). Edward de Bono's: Masterthinker's Handbook: A Guide to Innovative Thinking . Australia: Penguin Books.

Gaya MLA

Edward, De, BONO,. "Edward de Bono's: Masterthinker's Handbook: A Guide to Innovative Thinking". Australia: Penguin Books, 1985. Text.