Gebhard, D. (1988). Romanza: The Californian architecture for Frank Lloyd Wright. Chronicle Books.
Chicago-referens (17:e uppl.)Gebhard, David. Romanza: The Californian Architecture for Frank Lloyd Wright. San Francisco: Chronicle Books, 1988.
MLA-referens (8:e uppl.)Gebhard, David. Romanza: The Californian Architecture for Frank Lloyd Wright. Chronicle Books, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.