Gaya APA

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

Gaya MLA

Valkenberg, Pim, &, Wijsen,, Frans, , (eds.). "The polemical dialogue: Research into dialogue, truth, and truthfulness. Preface: Arnulf Camps. ". Saarbrücken: Saarbrücken Verlag für Entwicklungspolitik, 1997. Buku.