María Alejandra Brossard. IB PREPARED: BUSINESS AND MANAGEMENT SL. International Baccalaureate Organization.
Chicago-referens (17:e uppl.)María Alejandra Brossard. IB PREPARED: BUSINESS AND MANAGEMENT SL. International Baccalaureate Organization.
MLA-referens (9:e uppl.)María Alejandra Brossard. IB PREPARED: BUSINESS AND MANAGEMENT SL. International Baccalaureate Organization.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.