Parr, R. L. (2007). Royalty rates for licensing intellectual property. John Wiley & Sons.
Dyfyniad Arddull ChicagoParr, Russell L. Royalty Rates for Licensing Intellectual Property. New Jersey: John Wiley & Sons, 2007.
Dyfyniad MLAParr, Russell L. Royalty Rates for Licensing Intellectual Property. John Wiley & Sons, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.