SACHS, W. S. (1981). Product Planning And Management/william S.sachs. PennWell Books.
Dyfyniad Arddull ChicagoSACHS, William S. Product Planning And Management/william S.sachs. PennWell Books, 1981.
Dyfyniad MLASACHS, William S. Product Planning And Management/william S.sachs. PennWell Books, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.