Cita APA (7a ed.)
Wright, F. L., & Pfeiffer, B. B. Letters to Architects. California State University.
Cita estilo Chicago (17a ed.)
Wright, Frank Lloyd, y Bruce Brooks Pfeiffer. Letters to Architects. Fresno, EUA: California State University.
Cita MLA (9a ed.)
Wright, Frank Lloyd, y Bruce Brooks Pfeiffer. Letters to Architects. California State University.
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