Gaya APA
Astuti, E, M.
(2016).
FORWARD An English 1 course for Vocational School Students Grade X
.
Jakarta:
Erlangga.
Gaya MLA
Astuti, Eka, Mulya.
"FORWARD An English 1 course for Vocational School Students Grade X".
Jakarta:
Erlangga,
2016.
Text.