SUMITRO, D. English for science and technologi. Gadjah Mada University Press.
Lua i Stíl Chicago (17ú heag.)SUMITRO, Djoko. English for Science and Technologi. Gadjah Mada University Press.
Lua MLA (8ú heag.)SUMITRO, Djoko. English for Science and Technologi. Gadjah Mada University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.