APA citiranje

Shirinde, J., Wichmann, J., & Voyi, K. (2015). Environmental tobacco smoke and the risk of eczema symptoms among school children in South Africa: A cross-sectional study. BMJ Open.

Citação norma Chicago

Shirinde, Joyce, Janine Wichmann, and Kuku Voyi. "Environmental Tobacco Smoke and the Risk of Eczema Symptoms Among School Children in South Africa: A Cross-sectional Study." BMJ Open 2015.

MLA citiranje

Shirinde, Joyce, Janine Wichmann, and Kuku Voyi. "Environmental Tobacco Smoke and the Risk of Eczema Symptoms Among School Children in South Africa: A Cross-sectional Study." BMJ Open 2015.