1. Ashley, C. W. (1944). The Ashley book of knots. Doubleday.
2. Brualdi, R. A. (2009). Introductory combinatorics (5th ed.). Prentice Hall.
3. Cassan C. (2022). About Kumihimo Retrieved May 2 2023 from https://www.artisanart.biz/About_Kumihimo.html.
4. Combs, R. A. (2016). Kumihimo jewelry simplified: learn to braid with a kumihimo disk. Kalmbach Books.
5. Generalization of Pólya's fundamental theorem in enumerative combinatorial analysis;de Bruijn N. G.;Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen: Series A: Mathematical Sciences,1959