APA Style
Harriyanto, J, E. (2004).
A Case Study of Speech Act Apology in English, In Contax of Sixty-Semester Students of English Departement of STBA LIA Jakarta .
Jakarta:
STBA LIA.
MLA Style
Harriyanto, Julpra, Eka.
"A Case Study of Speech Act Apology in English, In Contax of Sixty-Semester Students of English Departement of STBA LIA Jakarta".
Jakarta:
STBA LIA,
2004.
Skripsi.