Harold B. Allen. (1965). Teaching English as a second language. New York: McGraw-Hill.
Chicago Style citaatHarold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
MLA citatieHarold B. Allen. Teaching English As a Second Language. New York: McGraw-Hill, 1965.
Let op: Deze citaties zijn niet altijd 100% accuraat.