Citazione APA

Duffin, J. (2012). Canadian drug shortage: Recent history of a mystery. Canadian Medical Association.

Stile di citazione Chicago

Duffin, Jacalyn. Canadian Drug Shortage: Recent History of a Mystery. Canadian Medical Association, 2012.

Citazione MLA

Duffin, Jacalyn. Canadian Drug Shortage: Recent History of a Mystery. Canadian Medical Association, 2012.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.