APA (7 वां संस्करण) प्रशस्ति पत्र

Gregory, R. (2009). The Forest Tower, Schovenhorst Estate, Putten, The Netherlands: Architekten: Search BV. The Architectural Review.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gregory, Rob. "The Forest Tower, Schovenhorst Estate, Putten, The Netherlands: Architekten: Search BV." The Architectural Review 2009.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Gregory, Rob. "The Forest Tower, Schovenhorst Estate, Putten, The Netherlands: Architekten: Search BV." The Architectural Review, 2009.