Cita APA (7a ed.)

Buckingham, T. (1981). Needs assessment in ESL. Center for Applied Linguistics.

Cita Chicago Style (17a ed.)

Buckingham, Thomas. Needs Assessment in ESL. Washington, D.C.: Center for Applied Linguistics, 1981.

Cita MLA (9a ed.)

Buckingham, Thomas. Needs Assessment in ESL. Center for Applied Linguistics, 1981.