Gaya APA
L.G, A. (2010).
Practice and Progress: an Integrated Caur se for Pre- Intermediate Students .
Yogyakarta:
Kanisius.
Gaya MLA
L.G, A..
Practice and Progress: an Integrated Caur se for Pre- Intermediate Students.
Yogyakarta:
Kanisius,
2010.
Text.