Davis, R. C. (1985). Rhetoric and form =: Retórica y forma. University of Oklahoma Press.
Cita Chicago Style (17a ed.)Davis, Robert Con. Rhetoric and Form =: Retórica Y Forma. Norman: University of Oklahoma Press, 1985.
Cita MLA (9a ed.)Davis, Robert Con. Rhetoric and Form =: Retórica Y Forma. University of Oklahoma Press, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.