Walsh, B. (1999). Modern world history (GCSE, 1. publ., reprinted (with revisions).). Murray.
Citazione stile Chigago Style (17a edizione)Walsh, Ben. Modern World History. GCSE, 1. publ., reprinted (with revisions). London: Murray, 1999.
Citatione MLA (9a ed.)Walsh, Ben. Modern World History. GCSE, 1. publ., reprinted (with revisions). Murray, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.