APA (7e ed.) Bronvermelding

Life & Barnett, L. K. (1962). The world we live in (Special family ed.). Time.

Chicago (17e ed.) Bronvermelding

Life en Lincoln Kinnear Barnett. The World We Live in. Special family ed. New York: Time, 1962.

MLA (9e ed.) Bronvermelding

Life en Lincoln Kinnear Barnett. The World We Live in. Special family ed. Time, 1962.