APA (7e ed.) Bronvermelding

Duncan, H. D. (1969). Symbols and social theory. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Duncan, Hugh Dalziel. Symbols and Social Theory. New York: Oxford University Press, 1969.

MLA (9e ed.) Bronvermelding

Duncan, Hugh Dalziel. Symbols and Social Theory. Oxford University Press, 1969.