Gaya APA
Alexander, L, G. (1975).
Practice and Progress : An Integrated Course for Pre-intermediate Students .
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L., G..
"Practice and Progress : An Integrated Course for Pre-intermediate Students".
Yogyakarta:
Kanisius,
1975.
Koleksi Cetak.