Volvach, A. E., & Kurbasova, G. S. (2019). Secular variations of geomagnetic declination in the Karadag point and the global helio-geodynamic processes. S. Subbotin Institute of Geophysics of the NAS of Ukraine. https://doi.org/10.24028/gzh.0203-3100.v41i1.2019.158873
Чикаго стиль цитування (17-те видання)Volvach, A. E., та G. S. Kurbasova. Secular Variations of Geomagnetic Declination in the Karadag Point and the Global Helio-geodynamic Processes. S. Subbotin Institute of Geophysics of the NAS of Ukraine, 2019. https://doi.org/10.24028/gzh.0203-3100.v41i1.2019.158873.
Стиль цитування MLA (8-ме видання)Volvach, A. E., та G. S. Kurbasova. Secular Variations of Geomagnetic Declination in the Karadag Point and the Global Helio-geodynamic Processes. S. Subbotin Institute of Geophysics of the NAS of Ukraine, 2019. https://doi.org/10.24028/gzh.0203-3100.v41i1.2019.158873.