Gaya APA
al.], S, ., [.
(2017).
English for specific purposes
(
Cet. 1)
.
Bandar Lampung:
Remaja Rosdakarya.
Gaya MLA
al.], Subandi, ..., [et..
"English for specific purposes".
Cet. 1
Bandar Lampung:
Remaja Rosdakarya,
2017.
Text.