Page, S. B. (1966). Modern Office Copying: Photocopying, Duplicating and Neat-Print. Andredeutsch.
Dyfyniad Arddull ChicagoPage, S B. Modern Office Copying: Photocopying, Duplicating and Neat-Print. London: Andredeutsch, 1966.
Dyfyniad MLAPage, S B. Modern Office Copying: Photocopying, Duplicating and Neat-Print. Andredeutsch, 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.