Gaya APA

Ratanawijitrasin,Sauwakon, ., Wondemagegnehu,Eshetu, . (2002). Effective drug regulation:A multicountry study . : World Health Organization.

Gaya MLA

Ratanawijitrasin,Sauwakon, ., Wondemagegnehu,Eshetu, . "Effective drug regulation:A multicountry study". : World Health Organization, 2002. Text.