Geber and William R. Newman, The Summa Perfectionis of Pseudo-Geber: A Critical Edition, Translation and Study ISBN 978-90-04-09464-2.
Geber and William Newman The Summa Perfectionis of Pseudo-Geber: A Critical Edition, Translation and Study ISBN 90-04-09466-4 {{isbn}}의 변수 오류: 유효하지 않은 ISBN.