Wagar, W. W. (1971). Building the city of man: Outlines of a world civilization. Freeman.
Chicago-viite (17. p.)Wagar, W. Warren. Building the City of Man: Outlines of a World Civilization. San Francisco: Freeman, 1971.
MLA-viite (9. p.)Wagar, W. Warren. Building the City of Man: Outlines of a World Civilization. Freeman, 1971.
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