Gaya APA
Riyanto, S. (2008).
1000 Selected Adjectives, Adverbs, Prepositions Used in Speaking English .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"1000 Selected Adjectives, Adverbs, Prepositions Used in Speaking English".
Yogyakarta:
Pustaka Pelajar,
2008.
Text.