एपीए उद्धरण

Hopper, L. J. (2005). Security and site design: A landscape architectural approach to analysis, assessment, and design implementation. Hoboken, N.J: John Wiley & Sons.

शिकागो स्टाइल उद्धरण

Hopper, Leonard J. Security and Site Design: A Landscape Architectural Approach to Analysis, Assessment, and Design Implementation. Hoboken, N.J: John Wiley & Sons, 2005.

एमएलए उद्धरण

Hopper, Leonard J. Security and Site Design: A Landscape Architectural Approach to Analysis, Assessment, and Design Implementation. Hoboken, N.J: John Wiley & Sons, 2005.