Gaya APA
Albi, . (1975).
Fluency in english : an integrated course for advanced students/L.G. Alexander (Cet. 1).
Jakarta:
Kanisius.
Gaya MLA
Albi, .
"Fluency in english : an integrated course for advanced students/L.G. Alexander".
Cet. 1
Jakarta:
Kanisius,
1975.
.