Walker, N. W. (1979). Legal pitfalls in architecture , engineering and building construction (2nd ed.). McGraw-Hill Book Company.
Chicago-tyylinen lähdeviittausWalker, Nathan Walker. Legal Pitfalls in Architecture , Engineering and Building Construction. 2nd ed. New York: McGraw-Hill Book Company, 1979.
MLA-viiteWalker, Nathan Walker. Legal Pitfalls in Architecture , Engineering and Building Construction. 2nd ed. McGraw-Hill Book Company, 1979.
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