De Bono, E. (1995). Teach yourself to think. Ringwood, Vic.: Penguin.
Trích dẫn kiểu ChicagoDe Bono, Edward. Teach Yourself to Think. Ringwood, Vic.: Penguin, 1995.
Deismireacht MLADe Bono, Edward. Teach Yourself to Think. Ringwood, Vic.: Penguin, 1995.
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