Ryzhakova N. K. Nadezhda Kirillovna. (2014). Criteria of radon risk of territories and methods for their determination; Applied Radiation and Isotopes; Vol. 91. 2014. https://doi.org/10.1016/j.apradiso.2014.05.004
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ryzhakova N. K. Nadezhda Kirillovna. Criteria of Radon Risk of Territories and Methods for Their Determination; Applied Radiation and Isotopes; Vol. 91. 2014, 2014. https://doi.org/10.1016/j.apradiso.2014.05.004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ryzhakova N. K. Nadezhda Kirillovna. Criteria of Radon Risk of Territories and Methods for Their Determination; Applied Radiation and Isotopes; Vol. 91. 2014, 2014. https://doi.org/10.1016/j.apradiso.2014.05.004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.