Cita APA (7a ed.)
Bernhardi, R. C. Grat Buildings of San Francisco: A Photographic Guide. Dover.
Cita estilo Chicago (17a ed.)
Bernhardi, Robert C. Grat Buildings of San Francisco: A Photographic Guide. Nueva York, EUA: Dover.
Cita MLA (9a ed.)
Bernhardi, Robert C. Grat Buildings of San Francisco: A Photographic Guide. Dover.
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