Živković, E. (2021). Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine (Undergraduate thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:181:688813
Živković, Emanuel. "Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2021. https://urn.nsk.hr/urn:nbn:hr:181:688813
Živković, Emanuel. "Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine." Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, 2021. https://urn.nsk.hr/urn:nbn:hr:181:688813
Živković, E. (2021). 'Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine', Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, accessed 30 September 2024, https://urn.nsk.hr/urn:nbn:hr:181:688813
Živković E. Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine [Undergraduate thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Department of biology; 2021 [cited 2024 September 30] Available at: https://urn.nsk.hr/urn:nbn:hr:181:688813
E. Živković, "Zimovanje male ušare (Asio otus L. 1758) u Osijeku tijekom 2020./2021. godine", Undergraduate thesis, Josip Juraj Strossmayer University of Osijek, Department of biology, Osijek, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:181:688813