DRUTAROVSKÁ, Jana. The Linkage between Speculation and Derivatives' Trading. - Registrovaný: Web of Science. In International Conference on Social Sciences and Society. 4th International Conference on Social Sciences and Society (ICSSS 2015) : [proceedings]. - Bellflower : IERI Information Engineering Research Institute, 2015. ISBN 978-1-61275-070-5, s. 344-348. KEGA 017EU-4/2015. 017EU-4/2015, KEGA, Tvorba modernej učebnice svetovej ekonomiky s dôrazom na aplikáciu vedomostí v praxi a riešenie problémov.