APA Style
Walidi, S.Pd. (2006).
Step by Step to Speak English (Cetakan Pertama).
Yogakarta:
Citra Aji Pratama.
Chicago Style
Walidi, S.Pd.
Step by Step to Speak English.
Cetakan Pertama
Yogakarta:
Citra Aji Pratama,
2006.
Text.
MLA Style
Walidi, S.Pd.
Step by Step to Speak English.
Cetakan Pertama
Yogakarta:
Citra Aji Pratama,
2006.
Text.
Turabian Style
Walidi, S.Pd.
Step by Step to Speak English.
Cetakan Pertama
Yogakarta:
Citra Aji Pratama,
2006.
Print.