Graça Dias, M. (1997). Landscape's Architect: Manuel Graça Dias on Alvaro Siza. Artforum.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGraça Dias, Manuel. "Landscape's Architect: Manuel Graça Dias on Alvaro Siza." Artforum 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGraça Dias, Manuel. "Landscape's Architect: Manuel Graça Dias on Alvaro Siza." Artforum, 1997.
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