Selman, P. Centenary paper: Landscape planning - preservation, conservation and sustainable development. Town Planning Review.
Cita Chicago (17th ed.)Selman, Paul. "Centenary Paper: Landscape Planning - Preservation, Conservation and Sustainable Development." Town Planning Review .
Cita MLA (9th ed.)Selman, Paul. "Centenary Paper: Landscape Planning - Preservation, Conservation and Sustainable Development." Town Planning Review, .
Atenció: Aquestes cites poden no estar 100% correctes.