Brentjes, Sonja Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
http://referenceworks.brillonline.com/entries/encyclopaedia-of-islam-3/algorithm-COM_0154?s.num=194&s.start=180 (全文テキスト（全般）)
Brentjes, S. (2017). Algorithm. In K., Fleet, G., Krämer, D., Matringe, J., Nawas, & E., Rowson (Eds.), Encyclopaedia of Islam (3). Leiden: Brill. doi:10.1163/1573-3912_ei3_COM_0154.
