Gaya APA
Step by Step 2 English for Vocational Schools. (2002).
Bandung:
Humaniora Utama Press.
Gaya Chicago
Step by Step 2 English for Vocational Schools.
ed.2.
Bandung:
Humaniora Utama Press,
2002.
.
Gaya MLA
Step by Step 2 English for Vocational Schools.
ed.2.
Bandung:
Humaniora Utama Press,
2002.
.
Gaya Turabian
Step by Step 2 English for Vocational Schools.
Bandung:
Humaniora Utama Press,
2002.
.