Kokole, M., & Zupančič, M. (2012). Ob stoletnici rojstva akademika Dragotina Cvetka (1911-1993) = At the Hundredth Birth Anniversary of Dragotin Cvetko (1911-1993), Member of the Slovenian Academy of Sciences and Arts. ZRC SAZU, Založba ZRC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKokole, Metoda, और Maruša Zupančič. Ob Stoletnici Rojstva Akademika Dragotina Cvetka (1911-1993) = At the Hundredth Birth Anniversary of Dragotin Cvetko (1911-1993), Member of the Slovenian Academy of Sciences and Arts. Ljubljana: ZRC SAZU, Založba ZRC, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKokole, Metoda, और Maruša Zupančič. Ob Stoletnici Rojstva Akademika Dragotina Cvetka (1911-1993) = At the Hundredth Birth Anniversary of Dragotin Cvetko (1911-1993), Member of the Slovenian Academy of Sciences and Arts. ZRC SAZU, Založba ZRC, 2012.