Cita APA (7a ed.)

Hargie, O. (1989). A handbook of communication skills. Routledge.

Cita Chicago Style (17a ed.)

Hargie, Owen. A Handbook of Communication Skills. London [etc.]: Routledge, 1989.

Cita MLA (9a ed.)

Hargie, Owen. A Handbook of Communication Skills. Routledge, 1989.