Sunggiardi,Michael S,Widyastuti ,Liz Wiwiek. (1991). Ventura Publisher: Tingkat lanjuta / Michael S.Sunggiardt. Gramedia.
Chicago Style (17th ed.) CitationSunggiardi,Michael S,Widyastuti ,Liz Wiwiek. Ventura Publisher: Tingkat Lanjuta / Michael S.Sunggiardt. Gramedia, 1991.
MLA (8th ed.) CitationSunggiardi,Michael S,Widyastuti ,Liz Wiwiek. Ventura Publisher: Tingkat Lanjuta / Michael S.Sunggiardt. Gramedia, 1991.
Warning: These citations may not always be 100% accurate.