Dyfyniad APA

Crebbin, J., & Hellard, S. (2004). Please sit still. Cambridge University Press.

Dyfyniad Arddull Chicago

Crebbin, June, and Susan Hellard. Please Sit Still. Cambridge: Cambridge University Press, 2004.

Dyfyniad MLA

Crebbin, June, and Susan Hellard. Please Sit Still. Cambridge University Press, 2004.

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