Cita APA (7a ed.)

(1983). A training course for TEFL / Peter Hubbard, Hywel Jones, Barbara Thornton, Rod Wheeler.

Cita Chicago Style (17a ed.)

A Training Course for TEFL / Peter Hubbard, Hywel Jones, Barbara Thornton, Rod Wheeler. 1983.

Cita MLA (9a ed.)

A Training Course for TEFL / Peter Hubbard, Hywel Jones, Barbara Thornton, Rod Wheeler. 1983.