Gaya APA
Alexander, L, G. (1975).
Developing skills an integrated course for intermediate students (Cet.1).
YOGYAKARTA:
Penerbit Kanisius.
Gaya MLA
Alexander, L., G..
"Developing skills an integrated course for intermediate students".
Cet.1
YOGYAKARTA:
Penerbit Kanisius,
1975.
Text.