Gaya APA

Soekardijo, R., Sumitro, D. (1995). English For Science Technology . Yogyakarta: Gadjah Mada University Press.

Gaya MLA

Soekardijo, R.G., Sumitro, Djoko. "English For Science Technology". Yogyakarta: Gadjah Mada University Press, 1995. Text.