Hobson, J. A., & Siegelman, P. (1965). Imperialism: A study. University of Michigan Press.
Čikaški stil citiranja (17. izdanje)Hobson, John Atkinson, i Philip Siegelman. Imperialism: A Study. Ann Arbor, Michigan: University of Michigan Press, 1965.
MLA način citiranja (9. izdanje)Hobson, John Atkinson, i Philip Siegelman. Imperialism: A Study. University of Michigan Press, 1965.
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