Cita APA (7a ed.)

English-Teaching Information Centre (Great Britain). (1975). Aids to English language teaching. English-Teaching Information Centre, British Council.

Cita Chicago Style (17a ed.)

English-Teaching Information Centre (Great Britain). Aids to English Language Teaching. Lond.: English-Teaching Information Centre, British Council, 1975.

Cita MLA (8a ed.)

English-Teaching Information Centre (Great Britain). Aids to English Language Teaching. English-Teaching Information Centre, British Council, 1975.