Style de citation APA (7e éd.)
International Multidisciplinary Scientific GeoConference SGEM 2019 Albena, Bulharsko. (2019). SGEM 2019. 19th International Multidisciplinary Scientific GeoConference. Volume 19. Energy and Clean Technologies: Conference proceedings. Albena, Bulgaria, 30 June - 6 July 2019 (1. vyd.). STEF 92 Technology.
Style de citation Chicago (17e éd.)
International Multidisciplinary Scientific GeoConference SGEM 2019 Albena, Bulharsko. SGEM 2019. 19th International Multidisciplinary Scientific GeoConference. Volume 19. Energy and Clean Technologies: Conference Proceedings. Albena, Bulgaria, 30 June - 6 July 2019. 1. vyd. Sofia: STEF 92 Technology, 2019.
Style de citation MLA (9e éd.)
International Multidisciplinary Scientific GeoConference SGEM 2019 Albena, Bulharsko. SGEM 2019. 19th International Multidisciplinary Scientific GeoConference. Volume 19. Energy and Clean Technologies: Conference Proceedings. Albena, Bulgaria, 30 June - 6 July 2019. 1. vyd. STEF 92 Technology, 2019.
Attention : ces citations peuvent ne pas être correctes à 100%.