WALKER,THEODDORE, D. (2000). Sketsa perspektif/Theodore D.Walker. Erlangga.
Lua i Stíl Chicago (17ú heag.)WALKER,THEODDORE, D. Sketsa Perspektif/Theodore D.Walker. Erlangga, 2000.
Lua MLA (8ú heag.)WALKER,THEODDORE, D. Sketsa Perspektif/Theodore D.Walker. Erlangga, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.