Gaya APA
Drs. Slamet Riyanto, M.Pd. (2010).
Let's Speak English Actively .
Yogyakarta:
Pustaka Pelajar.
Gaya Chicago
Drs. Slamet Riyanto, M.Pd.
Let's Speak English Actively.
Yogyakarta:
Pustaka Pelajar,
2010.
Text.
Gaya MLA
Drs. Slamet Riyanto, M.Pd.
Let's Speak English Actively.
Yogyakarta:
Pustaka Pelajar,
2010.
Text.
Gaya Turabian
Drs. Slamet Riyanto, M.Pd.
Let's Speak English Actively.
Yogyakarta:
Pustaka Pelajar,
2010.
Print.