APA (7e ed.) Bronvermelding

National Consumer Council & Williams, F. (1977). Why the poor pay more. Macmillan for the National Consumer Council.

Chicago (17e ed.) Bronvermelding

National Consumer Council en Frances Williams. Why the Poor Pay More. London: Macmillan for the National Consumer Council, 1977.

MLA (9e ed.) Bronvermelding

National Consumer Council en Frances Williams. Why the Poor Pay More. Macmillan for the National Consumer Council, 1977.