Lua APA (7ú heag.)

Hobson, J. A. (1965). Imperialism: A study. John Atkinson Hobson;New introd. by Philip Siegelman. University of Michigan Press.

Lua i Stíl Chicago (17ú heag.)

Hobson, J. A. Imperialism: A Study. John Atkinson Hobson;New Introd. by Philip Siegelman. [Ann Arbor]: University of Michigan Press, 1965.

Lua MLA (9ú heag.)

Hobson, J. A. Imperialism: A Study. John Atkinson Hobson;New Introd. by Philip Siegelman. University of Michigan Press, 1965.

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