Harold B. Allen. (1965). Teaching English as a second language. New York: McGraw-Hill.
Style de citation ChicagoHarold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
Style de citation MLAHarold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.