De Bono, E. (2003). Belajar berfikir. Petaling Jaya: Golden Books Centre.
Chicago Style CitationDe Bono, Edward. Belajar Berfikir. Petaling Jaya: Golden Books Centre, 2003.
MLA CitationDe Bono, Edward. Belajar Berfikir. Petaling Jaya: Golden Books Centre, 2003.
Warning: These citations may not always be 100% accurate.