Simon, E. Common cause: A journal of one world. University of Chicago Press.
Čikaški stil citiranja (17. izdanje)Simon, Ernst. Common Cause: A Journal of One World. Chicago: University of Chicago Press.
MLA način citiranja (8. izdanje)Simon, Ernst. Common Cause: A Journal of One World. University of Chicago Press.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.