Dyfyniad APA

Vacca, R. (1980). Modest Technologies for a Complicated world. Pergamon Press.

Dyfyniad Arddull Chicago

Vacca, Roberto. Modest Technologies for a Complicated World. Oxford: Pergamon Press, 1980.

Dyfyniad MLA

Vacca, Roberto. Modest Technologies for a Complicated World. Pergamon Press, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.