APA (7e ed.) Bronvermelding

SUMITRO, D. (1990). English For Science And Technology Djoko Sumitro. Gama Press.

Chicago (17e ed.) Bronvermelding

SUMITRO, Djoko. English For Science And Technology Djoko Sumitro. Gama Press, 1990.

MLA (8e ed.) Bronvermelding

SUMITRO, Djoko. English For Science And Technology Djoko Sumitro. Gama Press, 1990.

Let op: Deze citaties zijn niet altijd 100% accuraat.