توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Høyrup, J. (2012). Sanskrit-Prakrit interaction in elementary mathematics as reflected in Arabic and Italian formulations of the rule of three - and something more on the rule elsewhere. Max-Planck.Institu für Wissenschaftsgeschichte.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Høyrup, Jens. Sanskrit-Prakrit Interaction in Elementary Mathematics as Reflected in Arabic and Italian Formulations of the Rule of Three - and Something More on the Rule Elsewhere. Berlin: Max-Planck.Institu für Wissenschaftsgeschichte, 2012.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Høyrup, Jens. Sanskrit-Prakrit Interaction in Elementary Mathematics as Reflected in Arabic and Italian Formulations of the Rule of Three - and Something More on the Rule Elsewhere. Max-Planck.Institu für Wissenschaftsgeschichte, 2012.