J. Plošinjak in M. Festić, „Empirical Testing of Purchasing Power Parity Validity in Selected European Union Countries“, OE, let. 67, št. 4, str. 13–32, dec. 2021, Pridobljeno: 24. november 2025. [Na spletu]. Dostopno na: https://old.journals.um.si/index.php/oe/article/view/2082