Gaya APA
Yusak, M., Hartono, R, D, R. (2005).
English Texts In Use A Course for SMA/MA Student For Social and Natural Sciences Program year XI .
Yogyakarta, Semarang:
Aneka Ilmu.
Gaya MLA
Yusak, Muchlas., Hartono, Rohani, Dan, Rudi.
"English Texts In Use A Course for SMA/MA Student For Social and Natural Sciences Program year XI".
Yogyakarta, Semarang:
Aneka Ilmu,
2005.
Book.