Gaya APA

Naidoo, J., Wills, J. (2010). Developing Practice for Public Health and Health Promotion (Ed-3). London: Saunders Elsevier.

Gaya MLA

Naidoo, Jennie., Wills, Jane. "Developing Practice for Public Health and Health Promotion". Ed-3 London: Saunders Elsevier, 2010. Text.