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