Smith, Peter K.; Cowie, Helen and Blades, Mark. 2015. Understanding Children's Development 6th edition. Chichester: Wiley. ISBN 978-1-118-77298-0 [Book]

Cowie, Helen and Smith, Peter K.. 2010. Peer support as a means of improving school safety and reducing bullying and violence. In: Beth Doll; William Pfohl and Jina Yoon, eds. Handbook of Youth Prevention Science. New York: Routledge, pp. 177-192. ISBN 978-0-8058-6332-1 [Book Section]

Boulton, Michael J.; Smith, Peter K. and Cowie, Helen. 2010. Short-Term Longitudinal Relationships Between Children's Peer Victimization/Bullying Experiences and Self-Perceptions Evidence for Reciprocity. School Psychology International, 31(3), pp. 296-311. [Article]

Smith, Peter K.; Ananiadou, Katerina and Cowie, Helen. 2003. Interventions to reduce school bullying. Canadian Journal of Psychiatry, 48(9), pp. 591-599. ISSN 07067437 [Article]

Smith, Peter K.; Cowie, Helen; Olafsson, Ragnar and Liefooghe, Andy. 2002. Definitions of Bullying: A Comparison of Terms Used, and Age and Gender Differences, in a Fourteen Country International Comparison. Child Development, 73(4), pp. 1119-1133. ISSN 00093920 [Article]