Gaya APA
Astuti, E, M., Lande, S, K. (2018).
Forward An English Course for Vocational Students Grade XII k.13 Revisi .
Jakarta:
Erlangga.
Gaya MLA
Astuti, Eko, Mulya., Lande, Shyla, K..
"Forward An English Course for Vocational Students Grade XII k.13 Revisi".
Jakarta:
Erlangga,
2018.
Text.