Παραπομπή σε μορφή APA (7η εκδ.)

Barnet, S. (1987). Current issues and enduring questions: Methods and models of argument from to the present. A. Berdford.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barnet, Sylvan. Current Issues and Enduring Questions: Methods and Models of Argument from to the Present. A. Berdford, 1987.

Παραπομπή σε μορφή MLA (9th εκδ.)

Barnet, Sylvan. Current Issues and Enduring Questions: Methods and Models of Argument from to the Present. A. Berdford, 1987.