De Bono, E. (2003). Belajar berfikir. Golden Books Centre.
Chicago Style (17th ed.) CitationDe Bono, Edward. Belajar Berfikir. Petaling Jaya: Golden Books Centre, 2003.
MLA (9th ed.) CitationDe Bono, Edward. Belajar Berfikir. Golden Books Centre, 2003.
Warning: These citations may not always be 100% accurate.