Arg. Saesneg gwreiddiol = Original English ed.: [London]: Mosby International, c1997.
Addysg gorfforol ac astudio chwaraeon : y perfformiwr mewn cyd-destun cymdeithasol. ISBN 1856443825. Published by Canolfan Astudiaethau Addysg in 1999. Publication and catalogue information, links to buy online and reader comments.