Dumais, L. W. (1988). Panduan pengajar buku writing in english. Depdikbud.
Chicago Style (17th ed.) CitationDumais, L.A. Wullur. Panduan Pengajar Buku Writing in English. Depdikbud, 1988.
MLA (8th ed.) CitationDumais, L.A. Wullur. Panduan Pengajar Buku Writing in English. Depdikbud, 1988.
Warning: These citations may not always be 100% accurate.