United Nations. Statistical Office. (1956). General principles for a housing census. First-second draft. s.n.
Chicago Style (17th ed.) CitationUnited Nations. Statistical Office. General Principles for a Housing Census. First-second Draft. New York: s.n, 1956.
MLA (9th ed.) CitationUnited Nations. Statistical Office. General Principles for a Housing Census. First-second Draft. s.n, 1956.
Warning: These citations may not always be 100% accurate.