Gaya APA
Brigh, A, J., Swanson, C, P. (NULL).
Teaching english as secend language theory and technique for the secondary ì stage .
London::
London: Longman; 1970.
Gaya MLA
Brigh, A., J.., Swanson, Carl, P..
"Teaching english as secend language theory and technique for the secondary ì stage".
London::
London: Longman; 1970,
NULL.
Text.