Tsugunari, Kubo; Akira (tr.), Yuyama (2007) Lotus Sutra (PDF) (Revised 2nd edition berkeley, Calif - Numata Center for Buddhist Translation and Research Isb 978-1-886439-39 9.
Tsugunari, Kubo; Akira (tr.), Yuyama (2007). The Lotus Sutra (PDF) (Revised 2nd ed.). Berkeley, Calif.: Numata Center for Buddhist Translation and Research. ISBN 978-1-886439-39-9.