SUMITRO, D. (1990). English For Science And Technology Djoko Sumitro. Gama Press.
Chicago Style (17th ed.) CitationSUMITRO, Djoko. English For Science And Technology Djoko Sumitro. Gama Press, 1990.
MLA引文SUMITRO, Djoko. English For Science And Technology Djoko Sumitro. Gama Press, 1990.
警告：这些引文格式不一定是100％准确.