K. R. . Norman, “Sangharakkhita’s Vuttodaya: a study of Pali metre. Pali text and translated into English by R. Siddartha. Preface by Professor J. W. de Jong”., BSRV, vol. 6, no. 2, pp. 123–125, May 1981, doi: 10.1558/bsrv.v6i2.14012.