Humboldt-Kolleg Bulgarian-German Scientific Cooperation: Past, Present, and Future Sofia, Pajeva, I., Argirova, R., Băčvarov, K., Boteva-Bojanova, D. c. 2. J., & Burneva, N. (2016). Bulgarian-German scientific cooperation: past, present, and future: Proceedings of the Humboldt-Kolleg, Sofia, November 26-28, 2015. Faber Publishing House.
Chicago-Zitierstil (17. Ausg.)Humboldt-Kolleg Bulgarian-German Scientific Cooperation: Past, Present, and Future Sofia, Ilza Pajeva, Radka Argirova, Krum Băčvarov, Diljana ca. 20./21. Jh Boteva-Bojanova, und Nikolina Burneva. Bulgarian-German Scientific Cooperation: Past, Present, and Future: Proceedings of the Humboldt-Kolleg, Sofia, November 26-28, 2015. Sofia: Faber Publishing House, 2016.
MLA-Zitierstil (9. Ausg.)Humboldt-Kolleg Bulgarian-German Scientific Cooperation: Past, Present, and Future Sofia, et al. Bulgarian-German Scientific Cooperation: Past, Present, and Future: Proceedings of the Humboldt-Kolleg, Sofia, November 26-28, 2015. Faber Publishing House, 2016.