Cita APA (7th ed.)

Campton, D., & Jones, A. L. (1978). The missing jewel: A thriller for intermediate learners of english. BBC.

Cita Chicago (17th ed.)

Campton, David, i A. L. Jones. The Missing Jewel: A Thriller for Intermediate Learners of English. Londres: BBC, 1978.

Cita MLA (9th ed.)

Campton, David, i A. L. Jones. The Missing Jewel: A Thriller for Intermediate Learners of English. BBC, 1978.