Bono de, E. (2001). Kursus 5 hari berfikir (2nd ed.). Kuala Lumpur: Golden Books Centre.
Chicago Style CitationBono de, Edward. Kursus 5 Hari Berfikir. 2nd ed. Kuala Lumpur: Golden Books Centre, 2001.
MLA CitationBono de, Edward. Kursus 5 Hari Berfikir. 2nd ed. Kuala Lumpur: Golden Books Centre, 2001.
Warning: These citations may not always be 100% accurate.