Cita APA

Harris, D. P. (1969). Testing english as a second language. New York , Estados Unidos de América: McGraw Hill.

Citación estilo Chicago

Harris, David P. Testing English As a Second Language. New York , Estados Unidos de América: McGraw Hill, 1969.

Cita MLA

Harris, David P. Testing English As a Second Language. New York , Estados Unidos de América: McGraw Hill, 1969.