Gaya APA
Astuti, E, M. et al (2019).
Forward an english 3 : course to vocational school students grade XII .
Jakarta:
Erlangga.
Gaya MLA
Astuti, Eka, Mulya. et al.
"Forward an english 3 : course to vocational school students grade XII".
Jakarta:
Erlangga,
2019.
Text.