APA Style
Alexander, L. (1990).
Practice and Progress, New Concept English ; an Integrated Course for Pre-Intermediate Students .
Yogyakarta:
Kanisius.
MLA Style
Alexander, L.G..
"Practice and Progress, New Concept English ; an Integrated Course for Pre-Intermediate Students".
Yogyakarta:
Kanisius,
1990.
Text.