Harris, D. P. (1969). Testing English as a second language. McGraw-Hill.
Chicago (17e ed.) BronvermeldingHarris, David P. Testing English as a Second Language. New York: McGraw-Hill, 1969.
MLA (8e ed.) BronvermeldingHarris, David P. Testing English as a Second Language. McGraw-Hill, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.