Gaya APA
Alexander, L, G. (1975).
First Things First Students' Book : An Integrated Course for Beginners .
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L., G..
"First Things First Students' Book : An Integrated Course for Beginners".
Yogyakarta:
Kanisius,
1975.
Koleksi Cetak.