Slessor, C. (2000). Garden Gateway: Visitors' Centre, Cape Town, South Africa : Architekten: GAPP Architects and David B. Lewis. The Architectural Review.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSlessor, Catherine. "Garden Gateway: Visitors' Centre, Cape Town, South Africa : Architekten: GAPP Architects and David B. Lewis." The Architectural Review 2000.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSlessor, Catherine. "Garden Gateway: Visitors' Centre, Cape Town, South Africa : Architekten: GAPP Architects and David B. Lewis." The Architectural Review, 2000.
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