Dyfyniad APA
Gross, A. G., & Dearin, R. D. (2010). Chaim perelman. Southern Illinois University Press.
Dyfyniad Arddull Chicago
Gross, Alan G., and Ray D. Dearin. Chaim Perelman. Carbondale ; Edwardsville: Southern Illinois University Press, 2010.
Dyfyniad MLA
Gross, Alan G., and Ray D. Dearin. Chaim Perelman. Southern Illinois University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.