Morris,Morris David. (1979). Measuring the condition of the world's poor: Physical quality of life index. Pergamon.
استشهاد بنمط شيكاغوMorris,Morris David. Measuring the Condition of the World's Poor: Physical Quality of Life Index. New York: Pergamon, 1979.
MLA استشهادMorris,Morris David. Measuring the Condition of the World's Poor: Physical Quality of Life Index. Pergamon, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.