APA
UNITED NATIONS I. E. A. S. A. (. o., UNITED NATIONS I. E. A. S. A. (. o., . (1978). International directory of organizations concerned with the aging. New York: United Nations.
Chicago
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Dept of--), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Dept of--), . 1978. International directory of organizations concerned with the aging. New York: United Nations.
Harvard
UNITED NATIONS I. E. A. S. A. (. o., UNITED NATIONS I. E. A. S. A. (. o., . (1978). International directory of organizations concerned with the aging. New York: United Nations.
MLA
UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Dept of--), UNITED NATIONS INTERNATIONAL ECONOMIC AND SOCIAL AFFAIRS (Dept of--), . International directory of organizations concerned with the aging. New York: United Nations. 1978.
