(1982). Basic Architectural Drafting Paul I. Walach. South-Western Publishing.
Lua i Stíl Chicago (17ú heag.)Basic Architectural Drafting Paul I. Walach. South-Western Publishing, 1982.
Lua MLA (8ú heag.)Basic Architectural Drafting Paul I. Walach. South-Western Publishing, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.