M. Torbarina, N. Grgurić Čop, in L. Jelenc, „Logo Shape and Color as Drivers of Change in Brand Evaluation and Recognition“, OE, let. 67, št. 1, str. 33–45, jan. 2021, Pridobljeno: jul. 21, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2110