Hawker, J., Ekdahl, K., Weinberg, J., Reintjes, R., Blair, I., & Begg, N. (2012). Communicable disease control and health protection handbook (3rd ed.). West Sussex, UK: Wiley-Blackwell.

Hawker, Jeremy, Karl Ekdahl, Julius Weinberg, Ralf Reintjes, Iain Blair, and Norman Begg. Communicable Disease Control and Health Protection Handbook. 3rd ed. West Sussex, UK: Wiley-Blackwell, 2012.

Hawker, Jeremy, et al. Communicable Disease Control and Health Protection Handbook. 3rd ed. West Sussex, UK: Wiley-Blackwell, 2012.