Dyfyniad APA
Heck, G. W. (2006). Charlemagne, Muhammad, and the Arab roots of capitalism. De Gruyter.
Dyfyniad Arddull Chicago
Heck, Gene W. Charlemagne, Muhammad, and the Arab Roots of Capitalism. Berlin ; New York: De Gruyter, 2006.
Dyfyniad MLA
Heck, Gene W. Charlemagne, Muhammad, and the Arab Roots of Capitalism. De Gruyter, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.