Nash, M., Lowe, J., & Palmer, T. (2011). Developing language and communication skills through effective small group work: Spirals : from 3 to 8 (3rd ed.). Routledge.

Nash, Marion, Jackie Lowe, a Tracey Palmer. Developing Language and Communication Skills Through Effective Small Group Work: Spirals : From 3 to 8. 3rd ed. London: Routledge, 2011.

Nash, Marion, et al. Developing Language and Communication Skills Through Effective Small Group Work: Spirals : From 3 to 8. 3rd ed. Routledge, 2011.