Kuper, A., & Kuper, J. (1985). The Social science encyclopedia. Routledge & Kegan Paul.
Chicago (17e ed.) BronvermeldingKuper, Adam, en Jessica Kuper. The Social Science Encyclopedia. London ; Boston: Routledge & Kegan Paul, 1985.
MLA (9e ed.) BronvermeldingKuper, Adam, en Jessica Kuper. The Social Science Encyclopedia. Routledge & Kegan Paul, 1985.