Gaya APA
L.G.Alexander, . (2006).
Fluency in english an integrated course for advanced students / L.G.Alexander .
Yogyakarta:
Kanisius.
Gaya MLA
L.G.Alexander, .
"Fluency in english an integrated course for advanced students / L.G.Alexander".
Yogyakarta:
Kanisius,
2006.
Text.