Gaya APA
Drs. Slamet Riyanto, M.Pd. (2012).
Speaking English is Easy (1).
Yogyakarta:
Pustaka Widyatama.
Gaya Chicago
Drs. Slamet Riyanto, M.Pd.
Speaking English is Easy.
1
Yogyakarta:
Pustaka Widyatama,
2012.
Text.
Gaya MLA
Drs. Slamet Riyanto, M.Pd.
Speaking English is Easy.
1
Yogyakarta:
Pustaka Widyatama,
2012.
Text.
Gaya Turabian
Drs. Slamet Riyanto, M.Pd.
Speaking English is Easy.
1
Yogyakarta:
Pustaka Widyatama,
2012.
Print.