Cita APA (7a ed.)

Doff, A., & Jones, C. (1980). Feelings: A course in conversational English for upper-intermediate and more advanced students. Cambridge University Press.

Cita Chicago Style (17a ed.)

Doff, Adrian, y Christopher Jones. Feelings: A Course in Conversational English for Upper-intermediate and More Advanced Students. Cambridge [etc.]: Cambridge University Press, 1980.

Cita MLA (9a ed.)

Doff, Adrian, y Christopher Jones. Feelings: A Course in Conversational English for Upper-intermediate and More Advanced Students. Cambridge University Press, 1980.