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google.fi
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Cvitanic, Marilyn: Culture and Customs of Croatia, s. 170–171. Santa Barbara, California: ABC-CLIO, 2011. ISBN 978-0-313-35117-4. Google-kirjat (viitattu 27.7.2015). (englanniksi)
Džakula A, Sagan A, Pavić N. ym: Croatia: health system review. Health Syst Transit, 2014, 16. vsk, nro 3. Artikkelin verkkoversio. Viitattu 30.10.2020.
Rivers and lakesCroatia.eu. The Miroslav Krleža Institute of Lexicography. Arkistoitu 12.3.2023. Viitattu 12.11.2020. (englanniksi)
Nenad Dumanovic ja Daniel Jankovic: The Ustasha and the Rising Tide of Neo-Nazi Politics in Croatia (It was responsible for the deaths of anywhere between 300,000 to 600,000 Serbs and tens of thousands of Jews and Roma.) Global Research. Arkistoitu 16.7.2016. Viitattu 21.7.2016. (englanniksi)