APA-viite

Ratanawijitrasin, S., & Wondemagegnehu, E. (2002). Effective drug regulation: A multicountry study. World Health Organisation.

Chicago-tyylinen lähdeviittaus

Ratanawijitrasin, Sauwakon, ja Eshetu Wondemagegnehu. Effective Drug Regulation: A Multicountry Study. Geneva: World Health Organisation, 2002.

MLA-viite

Ratanawijitrasin, Sauwakon, ja Eshetu Wondemagegnehu. Effective Drug Regulation: A Multicountry Study. World Health Organisation, 2002.