Gaya APA
Astuti, E, M., k.Lande, S. (2016).
Forward An English Course For Vocational School Student Grade x .
Jakarta:
Erlangga.
Gaya MLA
Astuti, Eka, Mulya., k.Lande, Shyla.
"Forward An English Course For Vocational School Student Grade x".
Jakarta:
Erlangga,
2016.
Text.