Gaya APA

Barth, G, &, H, S. (2004). Societas ethica annual conference: Economics, justice andWelfare. Sigtuna (Sweden), 20-24 August 2003. . : .

Gaya MLA

Barth, Gunther, &, Heuser,, Stefan. "Societas ethica annual conference: Economics, justice andWelfare. Sigtuna (Sweden), 20-24 August 2003. ". : , 2004. Majalah.