Cita APA (7th ed.)
North, R. C. (1963). Content analysis: A handbook with applications for the study of international crisis. Northwestern University Press.
Cita Chicago (17th ed.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. [Evanston]: Northwestern University Press, 1963.
Cita MLA (9th ed.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. Northwestern University Press, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.