Schellekens, M. (2004). Electronic signatures: Authentication technology from a legal perspective. The Hague, The Netherlands: T.M.C. Asser Press.
Dyfyniad Arddull ChicagoSchellekens, Maurice. Electronic Signatures: Authentication Technology From a Legal Perspective. The Hague, The Netherlands: T.M.C. Asser Press, 2004.
Dyfyniad MLASchellekens, Maurice. Electronic Signatures: Authentication Technology From a Legal Perspective. The Hague, The Netherlands: T.M.C. Asser Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.