APA (7th ed.) Citation

Hakkarainen, O. (2007). Pupils' mental models of a pulley in balance, and how the models are changed by successive pulley demonstrations.

Chicago Style (17th ed.) Citation

Hakkarainen, Olavi. Pupils' Mental Models of a Pulley in Balance, and How the Models Are Changed by Successive Pulley Demonstrations. Jyväskylä, 2007.

MLA (9th ed.) Citation

Hakkarainen, Olavi. Pupils' Mental Models of a Pulley in Balance, and How the Models Are Changed by Successive Pulley Demonstrations. 2007.