WALKER, T. D. (1982). Residential Lanscaping I Theodore D. Walker. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)WALKER, Theodore D. Residential Lanscaping I Theodore D. Walker. Van Nostrand Reinhold, 1982.
Lua MLA (8ú heag.)WALKER, Theodore D. Residential Lanscaping I Theodore D. Walker. Van Nostrand Reinhold, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.