Dyfyniad APA

(2015). Palgrave communications. Basingstoke, Hants, United Kingdom: Palgrave Macmillan.

Dyfyniad Arddull Chicago

Palgrave Communications. Basingstoke, Hants, United Kingdom: Palgrave Macmillan, 2015.

Dyfyniad MLA

Palgrave Communications. Basingstoke, Hants, United Kingdom: Palgrave Macmillan, 2015.

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