APA (7e ed.) Bronvermelding
Morris, D. M. (1979). Measuring the condition of the world's poor: The physical quality of life index. Pergamon.
Chicago (17e ed.) Bronvermelding
Morris, David Morris. Measuring the Condition of the World's Poor: The Physical Quality of Life Index. New York: Pergamon, 1979.
MLA (9e ed.) Bronvermelding
Morris, David Morris. Measuring the Condition of the World's Poor: The Physical Quality of Life Index. Pergamon, 1979.
Let op: Deze citaties zijn niet altijd 100% accuraat.