Gaya APA
Alexander, L, G. (1990).
New concept english first thing first student's book: an integrated course for beginners (Cet. 11).
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L., G..
"New concept english first thing first student's book: an integrated course for beginners".
Cet. 11
Yogyakarta:
Kanisius,
1990.
Text.