Gaya APA
Lande, S, K., Astuti, E, M. (2016).
Forward An English: Course for vocational school students grade X .
jakarta:
PT. Erlangga.
Gaya MLA
Lande, Shyla, K.., Astuti, Eka, Mulya.
"Forward An English: Course for vocational school students grade X".
jakarta:
PT. Erlangga,
2016.
Buku Paket.