Dyfyniad APA

Barrow, J. D. (2007). New theories of everything. Oxford University Press.

Dyfyniad Arddull Chicago

Barrow, John D. New Theories of Everything. New York: Oxford University Press, 2007.

Dyfyniad MLA

Barrow, John D. New Theories of Everything. Oxford University Press, 2007.

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