Ratanawijitrasin, S., & Wondemagegnehu, E. (2002). Effective drug regulation a multicountry study. World Health Organization.
Chicago-viite (17. p.)Ratanawijitrasin, Sauwakon, ja Eshetu Wondemagegnehu. Effective Drug Regulation a Multicountry Study. Geneva: World Health Organization, 2002.
MLA-viite (8. p.)Ratanawijitrasin, Sauwakon, ja Eshetu Wondemagegnehu. Effective Drug Regulation a Multicountry Study. World Health Organization, 2002.
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