Gaya APA
Williams, Ivor. (2007).
English for Science and Engineering .
USA:
Heinle Cengage Learning.
Gaya Chicago
Williams, Ivor.
English for Science and Engineering.
USA:
Heinle Cengage Learning,
2007.
.
Gaya MLA
Williams, Ivor.
English for Science and Engineering.
USA:
Heinle Cengage Learning,
2007.
.
Gaya Turabian
Williams, Ivor.
English for Science and Engineering.
USA:
Heinle Cengage Learning,
2007.
.