Webster, P. C. (2012). Health in Colombia: A system in crisis. Canadian Medical Association.
Čikaški stil citiranjaWebster, Paul Christopher. Health in Colombia: A System in Crisis. Canadian Medical Association, 2012.
MLA način citiranjaWebster, Paul Christopher. Health in Colombia: A System in Crisis. Canadian Medical Association, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.