Cita APA (7a ed.)

Foster, J. (2003). Effective writting skils for public relations. Crest Publishing House.

Cita Chicago Style (17a ed.)

Foster, John. Effective Writting Skils for Public Relations. Crest Publishing House, 2003.

Cita MLA (8a ed.)

Foster, John. Effective Writting Skils for Public Relations. Crest Publishing House, 2003.