APA (7 ম সংস্করণ) উদ্ধৃতি

Ratanawijitrasin, S., & Wondemagegnehu, E. (2002). Effective drug regulation a multicountry study. World Health Organization.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Ratanawijitrasin, Sauwakon, এবং Eshetu Wondemagegnehu. Effective Drug Regulation a Multicountry Study. Geneva: World Health Organization, 2002.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Ratanawijitrasin, Sauwakon, এবং Eshetu Wondemagegnehu. Effective Drug Regulation a Multicountry Study. World Health Organization, 2002.