Gaya APA

Valkenberg, W, &, W, F, (. (1997). The polemical dialogue: Research into dialogue, truth, and truthfulness. . Saarbrücken: Verlag für Entwicklungspolitik.

Gaya MLA

Valkenberg, W.G.B.M., &, Wijsen,, F.J.S., (Eds.). "The polemical dialogue: Research into dialogue, truth, and truthfulness.". Saarbrücken: Verlag für Entwicklungspolitik, 1997. Buku.