Tiggelaar, B. (2007). Can do!: How to achieve real personal change and growth. Marshall Cavendish Business.
Cita Chicago (17th ed.)Tiggelaar, Ben. Can Do!: How to Achieve Real Personal Change and Growth. London: Marshall Cavendish Business, 2007.
Cita MLA (9th ed.)Tiggelaar, Ben. Can Do!: How to Achieve Real Personal Change and Growth. Marshall Cavendish Business, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.