Gaya APA
RIYANTO, S. (2004).
2500 key words to be good at english with useful examples/ Slamet Riyanto .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
RIYANTO, Slamet.
"2500 key words to be good at english with useful examples/ Slamet Riyanto".
Yogyakarta:
Pustaka Pelajar,
2004.
Text.