WALKER,THEODDORE, D. (2000). Sketsa perspektif/Theodore D.Walker. Erlangga.
Chicago Style (17th ed.) CitationWALKER,THEODDORE, D. Sketsa Perspektif/Theodore D.Walker. Erlangga, 2000.
MLA引文WALKER,THEODDORE, D. Sketsa Perspektif/Theodore D.Walker. Erlangga, 2000.
警告：這些引文格式不一定是100％准確.