Cita APA (7th ed.)

Gebremedhin, T. G., & Tweeten, L. G. (1994). Research methods and communication in the social sciences. Praeger.

Cita Chicago (17th ed.)

Gebremedhin, Tesfa G., i Luther G. Tweeten. Research Methods and Communication in the Social Sciences. Westport, Conn: Praeger, 1994.

Cita MLA (9th ed.)

Gebremedhin, Tesfa G., i Luther G. Tweeten. Research Methods and Communication in the Social Sciences. Praeger, 1994.