Cita APA (7th ed.)

Oller, J. W. (1979). Languaje tests at scholl: Pragmatic approach. Longman Group.

Cita Chicago (17th ed.)

Oller, John W. Languaje Tests at Scholl: Pragmatic Approach. Essex: Longman Group, 1979.

Cita MLA (9th ed.)

Oller, John W. Languaje Tests at Scholl: Pragmatic Approach. Longman Group, 1979.