Gaya APA
PALUPININGTYAS, P. (2010).
Some problems in teaching conversation at seventh grade of SMP N 20 Surakarta .
:
Universitas Sebelas Maret.
Gaya MLA
PALUPININGTYAS, Puspita.
"Some problems in teaching conversation at seventh grade of SMP N 20 Surakarta".
:
Universitas Sebelas Maret,
2010.
TA.