Perloff, H. S. (1985). The art of planning: Selected essays of Harvey S. Perloff. Plenum Press.
Lua i Stíl Chicago (17ú heag.)Perloff, Harvey S. The Art of Planning: Selected Essays of Harvey S. Perloff. New York: Plenum Press, 1985.
Lua MLA (9ú heag.)Perloff, Harvey S. The Art of Planning: Selected Essays of Harvey S. Perloff. Plenum Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.