APA (7e ed.) Bronvermelding

Stead, L., Perera, R., & Lancaster, T. (2007). A systematic review of interventions for smokers who contact quitlines.

Chicago (17e ed.) Bronvermelding

Stead, L., R. Perera, en T. Lancaster. A Systematic Review of Interventions for Smokers Who Contact Quitlines. 2007.

MLA (9e ed.) Bronvermelding

Stead, L., et al. A Systematic Review of Interventions for Smokers Who Contact Quitlines. 2007.