Kovács, P., & Świątkowska, J. (2011). Energy security of the V4 countries: How do energy relations change in Europe. Warszawa: The Kosciuszko institute.
Styl ChicagoKovács, Pál, and Joanna Świątkowska. Energy Security of the V4 Countries: How Do Energy Relations Change in Europe. Warszawa: The Kosciuszko institute, 2011.
Citace podle MLAKovács, Pál, and Joanna Świątkowska. Energy Security of the V4 Countries: How Do Energy Relations Change in Europe. Warszawa: The Kosciuszko institute, 2011.
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