Liepa, Ditė, ir Zenta Liepa. „The Characteristic Trends in Latvian Regional Press: Changes in the Traditional Functions of the Press, the Aspects of Identity and Cultural Diversity“. Acta humanitarica academiae Saulensis 27 (balandžio 3, 2025): 271–289. žiūrėta spalio 25, 2025. https://test.zurnalai.vu.lt/actahas/article/view/40208.