Organisation for Economic Co-operation and Development. (1988). Satellites and fibre optics: Competition and Complementarity. Paris: Organisation for Economic Co-operation and Development.
Dyfyniad Arddull ChicagoOrganisation for Economic Co-operation and Development. Satellites and Fibre Optics: Competition and Complementarity. Paris: Organisation for Economic Co-operation and Development, 1988.
Dyfyniad MLAOrganisation for Economic Co-operation and Development. Satellites and Fibre Optics: Competition and Complementarity. Paris: Organisation for Economic Co-operation and Development, 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.