Wang, T. C., & Sangkoyo, H. (1999). Sketsa pensil. Erlangga.
Chicago Style (17th ed.) CitationWang, Thomas C., and Hendro Sangkoyo. Sketsa Pensil. Erlangga, 1999.
MLA (8th ed.) CitationWang, Thomas C., and Hendro Sangkoyo. Sketsa Pensil. Erlangga, 1999.
Warning: These citations may not always be 100% accurate.