Piirto, J. (2011). Creativity for 21st century skills: How to embed creativity into the curriculum. SensePublishers.
Cita Chicago (17th ed.)Piirto, Jane. Creativity for 21st Century Skills: How to Embed Creativity into the Curriculum. Rotterdam: SensePublishers, 2011.
Cita MLA (9th ed.)Piirto, Jane. Creativity for 21st Century Skills: How to Embed Creativity into the Curriculum. SensePublishers, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.