Gaya APA
Sumitro, Djoko. (1990).
English for science and technology .
Yogyakarta:
Gajah Mada University Prss.
Gaya Chicago
Sumitro, Djoko.
English for science and technology.
Yogyakarta:
Gajah Mada University Prss,
1990.
Text.
Gaya MLA
Sumitro, Djoko.
English for science and technology.
Yogyakarta:
Gajah Mada University Prss,
1990.
Text.
Gaya Turabian
Sumitro, Djoko.
English for science and technology.
Yogyakarta:
Gajah Mada University Prss,
1990.
Print.