APA
UNITED NATIONS E. A. S. A. (. o., UNITED NATIONS E. A. S. A. (. o., . (1977). Guidelines on principles of a system of price and quantity statistics. New York: United Nations.
Chicago
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Department of--), UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Department of--), . 1977. Guidelines on principles of a system of price and quantity statistics. New York: United Nations.
Harvard
UNITED NATIONS E. A. S. A. (. o., UNITED NATIONS E. A. S. A. (. o., . (1977). Guidelines on principles of a system of price and quantity statistics. New York: United Nations.
MLA
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Department of--), UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Department of--), . Guidelines on principles of a system of price and quantity statistics. New York: United Nations. 1977.
