APA (7th ed.) Citation
(1968). Directory of authorities and principal organizations related to the building industry. United Nations.
Chicago Style (17th ed.) Citation
Directory of Authorities and Principal Organizations Related to the Building Industry. New York: United Nations, 1968.
MLA (9th ed.) Citation
Directory of Authorities and Principal Organizations Related to the Building Industry. United Nations, 1968.
Warning: These citations may not always be 100% accurate.