International Business Machines (IBM). IBM leads others in patent leadership for 21st straight year. IN Business News. Manila Bulletin.
Dyfyniad Arddull ChicagoInternational Business Machines (IBM). "IBM Leads Others in Patent Leadership for 21st Straight Year. IN Business News." Manila Bulletin .
Dyfyniad MLAInternational Business Machines (IBM). "IBM Leads Others in Patent Leadership for 21st Straight Year. IN Business News." Manila Bulletin, .
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.