Cita APA (7th ed.)
Plakitsi, K. (2013). Activity theory in formal and informal science education. Sense.
Cita Chicago (17th ed.)
Plakitsi, Katerina. Activity Theory in Formal and Informal Science Education. Rotterdam: Sense, 2013.
Cita MLA (9th ed.)
Plakitsi, Katerina. Activity Theory in Formal and Informal Science Education. Sense, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.