APA ציטוט

Kendrick, D., & Royal, S. (2004). Cycle helmet ownership and use; a cluster randomised controlled trial in primary school children in deprived areas.

Citação norma Chicago

Kendrick, D., and S. Royal. Cycle Helmet Ownership and Use; a Cluster Randomised Controlled Trial in Primary School Children in Deprived Areas. 2004.

ציטוט MLA

Kendrick, D., and S. Royal. Cycle Helmet Ownership and Use; a Cluster Randomised Controlled Trial in Primary School Children in Deprived Areas. 2004.