Gaya APA
Riyanto, S. (2008).
1000 Selected ADJECTIVES, ADVERBS, PREPOSITIONS used In Speaking English (1).
Jogjakarta:
Pustaka Pelajar.
Gaya MLA
Riyanto, Slamet.
"1000 Selected ADJECTIVES, ADVERBS, PREPOSITIONS used In Speaking English".
1
Jogjakarta:
Pustaka Pelajar,
2008.
Text.