Gilbert, C., & Williams, L. (1989). The ABC's of 1-2-3: Release 2.2. Singapore: Tech Publ..
Chicago Style CitationGilbert, Chris, and Lourie Williams. The ABC's of 1-2-3: Release 2.2. Singapore: Tech Publ., 1989.
MLA CitationGilbert, Chris, and Lourie Williams. The ABC's of 1-2-3: Release 2.2. Singapore: Tech Publ., 1989.
Warning: These citations may not always be 100% accurate.