Gaya APA
P.K, D, L.
(2002).
Step by step 2 English for vocational school
(
2)
.
Bandung:
Humaniora Utama Press.
Gaya MLA
P.K, Drs., Lukman.
"Step by step 2 English for vocational school".
2
Bandung:
Humaniora Utama Press,
2002.
Buku Non Fiksi.