North, R. C. (1963). Content analysis: A handbook with applications for the study of international crisis. Northwestern University Press.
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Chicago Style (17th ed.) Zitazioa
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. [Evanston]: Northwestern University Press, 1963.
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MLA (9th ed.) Zitazioa
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. Northwestern University Press, 1963.
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