Dyfyniad APA

Dyson, F. Imagined worlds. Harvard University Press.

Dyfyniad Arddull Chicago

Dyson, Freeman. Imagined Worlds. New York: Harvard University Press.

Dyfyniad MLA

Dyson, Freeman. Imagined Worlds. Harvard University Press.

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