Gaya APA
Walidi, S.P.d. (2006).
Step by Step to Speak English (1).
Yogyakarta:
PT. Citra Aji Parama.
Gaya Chicago
Walidi, S.P.d.
Step by Step to Speak English.
1
Yogyakarta:
PT. Citra Aji Parama,
2006.
Text.
Gaya MLA
Walidi, S.P.d.
Step by Step to Speak English.
1
Yogyakarta:
PT. Citra Aji Parama,
2006.
Text.
Gaya Turabian
Walidi, S.P.d.
Step by Step to Speak English.
1
Yogyakarta:
PT. Citra Aji Parama,
2006.
Print.