APA (7e ed.) Bronvermelding

HARRIS, D. P. (1974). Testing english a second language. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

HARRIS, David P. Testing English a Second Language. Bombay: McGraw-Hill, 1974.

MLA (9e ed.) Bronvermelding

HARRIS, David P. Testing English a Second Language. McGraw-Hill, 1974.