Helmer, T. (2015). Development of a methodology for the evaluation of active safety using the example of preventive pedestrian protection: Doctoral thesis accepted by Technische Universität Berlin, Germany. Springer International Publishing. https://doi.org/10.1007/978-3-319-12889-4
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Helmer, Thomas. Development of a Methodology for the Evaluation of Active Safety Using the Example of Preventive Pedestrian Protection: Doctoral Thesis Accepted by Technische Universität Berlin, Germany. Cham: Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-12889-4.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Helmer, Thomas. Development of a Methodology for the Evaluation of Active Safety Using the Example of Preventive Pedestrian Protection: Doctoral Thesis Accepted by Technische Universität Berlin, Germany. Springer International Publishing, 2015. https://doi.org/10.1007/978-3-319-12889-4.