Gaya APA
Alexander, L. (1975).
Practice and progress: An Integrated course for pre-intermediate students : New concept English .
Yogyakarta:
Kanisius.
Gaya MLA
Alexander, L.G.
"Practice and progress: An Integrated course for pre-intermediate students : New concept English".
Yogyakarta:
Kanisius,
1975.
Text.