(1988). OECD in figures 1988. Tokyo: The OECD Observer (Organisation for Economic Co-operation and Development. OECD observer.).
Dyfyniad Arddull ChicagoOECD in Figures 1988. Tokyo: The OECD Observer (Organisation for Economic Co-operation and Development. OECD observer.), 1988.
Dyfyniad MLAOECD in Figures 1988. Tokyo: The OECD Observer (Organisation for Economic Co-operation and Development. OECD observer.), 1988.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.