APA-viite (7. p.)
SERGEANT, J. (1976). Frank Lloyd Wright's usonian Houses: The case for organic architecture. Whitney Libr.of Design.
Chicago-viite (17. p.)
SERGEANT, John. Frank Lloyd Wright's Usonian Houses: The Case for Organic Architecture. New York: Whitney Libr.of Design, 1976.
MLA-viite (9. p.)
SERGEANT, John. Frank Lloyd Wright's Usonian Houses: The Case for Organic Architecture. Whitney Libr.of Design, 1976.
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