COPSAT Feb 2001-floppy. NCSI.
Dyfyniad Arddull ChicagoCOPSAT Feb 2001-floppy. Bangalore: NCSI.
Dyfyniad MLACOPSAT Feb 2001-floppy. NCSI.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.
COPSAT Feb 2001-floppy. NCSI.
Dyfyniad Arddull ChicagoCOPSAT Feb 2001-floppy. Bangalore: NCSI.
Dyfyniad MLACOPSAT Feb 2001-floppy. NCSI.