Παραπομπή σε μορφή APA (7η εκδ.)

Morris, D. M. (1979). Measuring the condition of the world's poor: The physical quality of life index. Pergamon.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Morris, David Morris. Measuring the Condition of the World's Poor: The Physical Quality of Life Index. New York: Pergamon, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Morris, David Morris. Measuring the Condition of the World's Poor: The Physical Quality of Life Index. Pergamon, 1979.