Fedorco BEng, Ľubomír a Hospodka, J. (2013) „AIRLINE PRICING STRATEGIES IN EUROPEAN AIRLINE MARKET", Perner’s Contacts, 8(2), s. 33–41. Dostupné z: https://pernerscontacts.upce.cz/index.php/perner/article/view/729 (Viděno: 22 listopad 2024).