Mazaudon, Martine (2002). "Les principes de construction du nombre dans les langues tibéto-birmanes". In François, Jacques (ed.). La Pluralité(PDF). Leuven: Peeters. pp. 91–119. ISBN90-429-1295-2. Archived from the original(PDF) on 2016-03-28. Retrieved 2014-03-27.
ctan.org
Pakin, Scott (2021) [2007]. "The Comprehensive LATEX Symbol List". Comprehensive TEX Archive Network (14.0 ed.). Rei, Fukui (2004) [2002]. "tipa – Fonts and macros for IPA phonetics characters". Comprehensive TEX Archive Network (1.3 ed.). The turned digits 2 and 3 employed in the TIPA package originated in The Principles of the International Phonetic Association, University College London, 1949.
Mazaudon, Martine (2002). "Les principes de construction du nombre dans les langues tibéto-birmanes". In François, Jacques (ed.). La Pluralité(PDF). Leuven: Peeters. pp. 91–119. ISBN90-429-1295-2. Archived from the original(PDF) on 2016-03-28. Retrieved 2014-03-27.