Prosesu dogfennau sy'n ymwneud â nwyddau a gwasanaethau /
Rooney, Anne.
Isaac, Colin.
Evans, Geraint Meirion.
University College of Wales (Aberystwyth, Wales).Centre for Educational Studies.
Aberystwyth : Canolfan Astudiaethau Addysg,
1993.
Arg. Saesneg gwreiddiol = Original English ed: Cambridge: National College Trust Ltd, 1990.
Teitl clawr = Cover title
Business education.