Gaya APA
Alexander, L. (1975).
Fluency in English: An Integrated course for advanced students : New concept English .
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L.G..
"Fluency in English: An Integrated course for advanced students : New concept English".
Yogyakarta:
Kanisius,
1975.
Text.