V. Popovych i S, „AESTHETIC ASSESSMENT OF THE ORNAMENTAL FORMS OF NOTHERN WHITE CEDAR (Thuja occidentalis L.) AND THEIR USE IN GARDEN AND PARK COMPOSITIONS“, J. Agric. Sci. (Bg.), vol 68, izd. 3, Sep. 2023, Pristupljeno: 12. Juli 2026. [Online]. Dostupno na: https://asistent.ceon.rs/index.php/jas/article/view/43113