Fadeev A. S. Aleksandr Sergeevich & Tsoy G. A. Galina Anatolievna. (2011). Establishment of the national certification system of professional engineering competences: Theoretical and practical issues; Lifelong Learning: Continuous Education for Sustainable Development; Vol. 9 : The 9th International Conference. 2011.
Chicago-viite (17. p.)Fadeev A. S. Aleksandr Sergeevich ja Tsoy G. A. Galina Anatolievna. Establishment of the National Certification System of Professional Engineering Competences: Theoretical and Practical Issues; Lifelong Learning: Continuous Education for Sustainable Development; Vol. 9 : The 9th International Conference. 2011, 2011.
MLA-viite (9. p.)Fadeev A. S. Aleksandr Sergeevich ja Tsoy G. A. Galina Anatolievna. Establishment of the National Certification System of Professional Engineering Competences: Theoretical and Practical Issues; Lifelong Learning: Continuous Education for Sustainable Development; Vol. 9 : The 9th International Conference. 2011, 2011.