Cita APA (7a ed.)
North, R. C. (1963). Content analysis: A handbook with applications for the study of international crisis. Northwestern University Press.
Cita Chicago Style (17a ed.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. [Evanston]: Northwestern University Press, 1963.
Cita MLA (9a ed.)
North, Robert C. Content Analysis: A Handbook with Applications for the Study of International Crisis. Northwestern University Press, 1963.
警告：這些引文格式不一定是100％准確.