Sibbald, B. (2002). US drug industry bans expensive freebies for MDs, Canada raises fines. CMAJ.
Chicago Style citaatSibbald, Barbara. "US Drug Industry Bans Expensive Freebies for MDs, Canada Raises Fines." CMAJ 2002.
MLA citatieSibbald, Barbara. "US Drug Industry Bans Expensive Freebies for MDs, Canada Raises Fines." CMAJ 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.