Gaya APA
RIYANTO, S. (2005).
English tests for senior high school students / Slamet Riyanto (Ed. rev, cet. 2).
:
Pustaka Pelajar.
Gaya MLA
RIYANTO, Slamet.
"English tests for senior high school students / Slamet Riyanto".
Ed. rev, cet. 2
:
Pustaka Pelajar,
2005.
Referensi.