Mumford, L. (1979). Interpretations and forecasts 1922 - 1972: Studies in literatur, history, biography, technics, and contemporary society. New York: Harcourt Brace Jovanovich.
استشهاد بنمط شيكاغوMumford, Lewis. Interpretations and Forecasts 1922 - 1972: Studies in Literatur, History, Biography, Technics, and Contemporary Society. New York: Harcourt Brace Jovanovich, 1979.
MLA استشهادMumford, Lewis. Interpretations and Forecasts 1922 - 1972: Studies in Literatur, History, Biography, Technics, and Contemporary Society. New York: Harcourt Brace Jovanovich, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.