Wolff, J. Creativity Now: Get inspired, create ideas and make them happen! (2.). Pearson Education UK.
Cita Chicago (17th ed.)Wolff, Jurgen. Creativity Now: Get Inspired, Create Ideas and Make Them Happen! 2. Pearson Education UK.
Cita MLA (8th ed.)Wolff, Jurgen. Creativity Now: Get Inspired, Create Ideas and Make Them Happen! 2. Pearson Education UK.
Atenció: Aquestes cites poden no estar 100% correctes.