Gaya APA
Laden, S, K., Astuti, E, M.
(2017).
Forward for vocational school grade X
.
Jakarta:
Erlangga.
Gaya MLA
Laden, Shyla, K.., Astuti, Eka, Mulya.
"Forward for vocational school grade X".
Jakarta:
Erlangga,
2017.
Text.