Gaya APA
Savignon, S, J. (1983).
Communicative competence : Theory and classroom practice/ Sandra J. savignon .
Massachussetts:
Adisson-wesley.
Gaya MLA
Savignon, Sandra, J..
"Communicative competence : Theory and classroom practice/ Sandra J. savignon".
Massachussetts:
Adisson-wesley,
1983.
Text.