Edward De Bono. (2007). How to give creative Ideas: 62 Exercises to develop the Mind. Vermilion.
Chicago Style aipamenaEdward De Bono. How to Give Creative Ideas: 62 Exercises to Develop the Mind. London: Vermilion, 2007.
MLA aipamenaEdward De Bono. How to Give Creative Ideas: 62 Exercises to Develop the Mind. Vermilion, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.