Arg. Saesneg gwreiddiol = Original English ed: Cambridge: Longman Logotron, 1990.
Yn cynnwys mynegai = Includes index.
Teitl clawr = Cover title.
Pioden Archimedes : gwybodaeth drwy ddylunio by Peter Cole. ISBN 185787014X. Published by Uned Gyfrifiadurol Gwynedd in 1993. Publication and catalogue information, links to buy online and reader comments.