Gaya APA
Lande, S, K., Astuti, E, M. (2017).
Forward an English course for Vocational School Student Grade XI .
Jakarta:
ERLANGGA.
Gaya MLA
Lande, Shyla, K.., Astuti, Eka, Mulya.
"Forward an English course for Vocational School Student Grade XI".
Jakarta:
ERLANGGA,
2017.
Buku SMA Athalia.