Howard, J., McInnes, K., Miles, G., & Crowley, K. (2009). Behavioural Differences Exhibited by Children When Practicing a Task Under Formal and Playful Conditions. Journal of Educational and Child Psychology, 26(2), pp. 31-39.

Howard, Justine, Karen McInnes, Gareth Miles, and Kevin Crowley. "Behavioural Differences Exhibited By Children When Practicing a Task Under Formal and Playful Conditions." Journal of Educational and Child Psychology 26, no. 2 (2009): 31-39.

Howard, Justine, Karen McInnes, Gareth Miles, and Kevin Crowley. "Behavioural Differences Exhibited By Children When Practicing a Task Under Formal and Playful Conditions." Journal of Educational and Child Psychology 26.2 (2009): 31-39.