Dodwell Marketing Consultants. (1992). Industrial groupings in Japan: 1992/93. Tokyo: Dodwell Marketing Consultants.
Dyfyniad Arddull ChicagoDodwell Marketing Consultants. Industrial Groupings in Japan: 1992/93. Tokyo: Dodwell Marketing Consultants, 1992.
Dyfyniad MLADodwell Marketing Consultants. Industrial Groupings in Japan: 1992/93. Tokyo: Dodwell Marketing Consultants, 1992.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.