Gaya APA
RIYANTO, S. (2003).
The easy way to master english in a few days : cara mudah.../ Slamet Riyanto .
Yogyakarta:
Pustaka Pelajar.
Gaya MLA
RIYANTO, Slamet.
"The easy way to master english in a few days : cara mudah.../ Slamet Riyanto".
Yogyakarta:
Pustaka Pelajar,
2003.
Text.