Dyfyniad APA

Pople, S., & Williams, M. (1995). Science to GCSE. Oxford University Press.

Dyfyniad Arddull Chicago

Pople, Stephen, and Michael Williams. Science to GCSE. Oxford: Oxford University Press, 1995.

Dyfyniad MLA

Pople, Stephen, and Michael Williams. Science to GCSE. Oxford University Press, 1995.

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