Ryotaro, I. (1964). Measurement of consumer price changes by income classes. Tokyo: Kinokuniya Books-Store Co, Ltd.
Dyfyniad Arddull ChicagoRyotaro, Iochi. Measurement of Consumer Price Changes By Income Classes. Tokyo: Kinokuniya Books-Store Co, Ltd, 1964.
Dyfyniad MLARyotaro, Iochi. Measurement of Consumer Price Changes By Income Classes. Tokyo: Kinokuniya Books-Store Co, Ltd, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.