APA-referens (7:e uppl.)
North, R. C. (1963). Content analysis: A handbook with applications for the study of international crisis. Northwestern University Press.
Chicago-referens (17:e uppl.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. [Evanston]: Northwestern University Press, 1963.
MLA-referens (9:e uppl.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. Northwestern University Press, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.