Dyfyniad APA

Pyper, R. (1995). The British Civil Service. Prentice Hall/Harvester Wheatsheaf.

Dyfyniad Arddull Chicago

Pyper, Robert. The British Civil Service. London: Prentice Hall/Harvester Wheatsheaf, 1995.

Dyfyniad MLA

Pyper, Robert. The British Civil Service. Prentice Hall/Harvester Wheatsheaf, 1995.

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