APA
UNITED NATIONS E. A. S. A. (. S. O., UNITED NATIONS E. A. S. A. (. S. O., . (1972). Short mannal on sampling. New York: United Nations.
Chicago
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Dept.of--) STATISTICAL OFFICE, UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Dept.of--) STATISTICAL OFFICE, . 1972. Short mannal on sampling. New York: United Nations.
Harvard
UNITED NATIONS E. A. S. A. (. S. O., UNITED NATIONS E. A. S. A. (. S. O., . (1972). Short mannal on sampling. New York: United Nations.
MLA
UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Dept.of--) STATISTICAL OFFICE, UNITED NATIONS ECONOMIC AND SOCIAL AFFAIRS (Dept.of--) STATISTICAL OFFICE, . Short mannal on sampling. New York: United Nations. 1972.
