Woytinsky, W. S., Woytinsky, E. S., Woytinsky, E. S., & Woytinsky, E. S. (1953). World population and production: Trends and outlook. New York: Twentieth Century Fund.
Παραπομπή Chicago StyleWoytinsky, Wladimir S., Emma Shadkhan Woytinsky, Emma Shadkhan Woytinsky, and E. S. Woytinsky. World Population and Production: Trends and Outlook. New York: Twentieth Century Fund, 1953.
Παραπομπή MLAWoytinsky, Wladimir S., Emma Shadkhan Woytinsky, Emma Shadkhan Woytinsky, and E. S. Woytinsky. World Population and Production: Trends and Outlook. New York: Twentieth Century Fund, 1953.
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