Birkinshaw, P. (2010). Freedom Of information (4th ed.). Cambridge University Press.
Dyfyniad Arddull ChicagoBirkinshaw, Patrick. Freedom Of Information. 4th ed. New Delhi: Cambridge University Press, 2010.
Dyfyniad MLABirkinshaw, Patrick. Freedom Of Information. 4th ed. Cambridge University Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.