Cannon, M., Jones-Nerzic, R., & Keys, D. (2009). 20th century world history: Course companion ; IB diploma programme (1. publ.). Oxford Univ. Press.
Citazione stile Chigago Style (17a edizione)Cannon, Martin, Richard Jones-Nerzic, e David Keys. 20th Century World History: Course Companion ; IB Diploma Programme. 1. publ. Oxford: Oxford Univ. Press, 2009.
Citatione MLA (9a ed.)Cannon, Martin, et al. 20th Century World History: Course Companion ; IB Diploma Programme. 1. publ. Oxford Univ. Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.