APA (7e ed.) Bronvermelding

Coman, E. T. (1965). Sources of Business Information (Rev. ed.). University of California Press.

Chicago (17e ed.) Bronvermelding

Coman, Edwin T. Sources of Business Information. Rev. ed. Berkeley: University of California Press, 1965.

MLA (9e ed.) Bronvermelding

Coman, Edwin T. Sources of Business Information. Rev. ed. University of California Press, 1965.