APA

Beaglehole R., Bonita R., Kjellstr�m T. & World Health Organization. (1993). Basic epidemiology. Geneva: World Health Organization.

Chicago

Beaglehole R, Bonita R, Kjellstr�m Tord and World Health Organization. 1993. Basic epidemiology. Geneva: World Health Organization.

Harvard

Beaglehole R., Bonita R., Kjellstr�m T. and World Health Organization. (1993). Basic epidemiology. Geneva: World Health Organization.

MLA

Beaglehole R, Bonita R, Kjellstr�m Tord and World Health Organization. Basic epidemiology. Geneva: World Health Organization. 1993.