Gaya APA
Riyanto, S.
(2011).
Daily English words
(
Cet 1)
.
Yogyakarta:
Pustaka Widyatama.
Gaya MLA
Riyanto, Slamet.
"Daily English words".
Cet 1
Yogyakarta:
Pustaka Widyatama,
2011.
Text.