APA Style
Prastyaningrum, I. (2006).
Problems and Roles of task in Helping the Listening Comprehension of Intermediate I Students in International Language Programs Pondok Gede .
Jakarta:
STBA LIA.
MLA Style
Prastyaningrum, Ika.
"Problems and Roles of task in Helping the Listening Comprehension of Intermediate I Students in International Language Programs Pondok Gede".
Jakarta:
STBA LIA,
2006.
Skripsi.