APA-viite

Piot, P. (1992). AIDS in africa: A manual for physicians. World Health Organisation.

Chicago-tyylinen lähdeviittaus

Piot, Peter. AIDS in Africa: A Manual for Physicians. Geneva: World Health Organisation, 1992.

MLA-viite

Piot, Peter. AIDS in Africa: A Manual for Physicians. World Health Organisation, 1992.