Harris, D. P. (1969). Testing English as a second language. McGraw-Hill.
Chicago Style (17th ed.) CitationHarris, David P. Testing English as a Second Language. New York: McGraw-Hill, 1969.
MLA (8th ed.) CitationHarris, David P. Testing English as a Second Language. McGraw-Hill, 1969.
Warning: These citations may not always be 100% accurate.