APA

beaglehole R., Bonita R., . (2006). Basic epidemiology. delhi: world health organization.

Chicago

beaglehole R, Bonita R, . 2006. Basic epidemiology. delhi: world health organization.

Harvard

beaglehole R., Bonita R., . (2006). Basic epidemiology. delhi: world health organization.

MLA

beaglehole R, Bonita R, . Basic epidemiology. delhi: world health organization. 2006.