ÁRENDÁŠ, Peter - TKÁČOVÁ, Daniela - BUKOVEN, Ján. Seasonal Patterns in Oil Prices and Their Implications for Investors. - Registrovaný: Scopus. In Journal of International Studies : Scientific Papers. - Szczecin : Centre of Sociological Research. ISSN 2306-3483, 2018, vol. 11, no. 2, pp. 180-192 online. VEGA 1/0009/17.