Gaya APA
Alexander, L., G. (2002).
NEW CONCEPT ENGLISH FLUENCY IN ENGLISH : AN INTEGRATED COURSE FOR ADVANCED STUDENTS .
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L., G..
"NEW CONCEPT ENGLISH FLUENCY IN ENGLISH : AN INTEGRATED COURSE FOR ADVANCED STUDENTS".
Yogyakarta:
Kanisius,
2002.
Buku Inti.