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