Vladimirovna, O. L., Afanasevich, F. G., Lev, T., & Vladimirovna, K. A. (2020). The graceful fir (Abies gracilis Kom., Pinaceae) in Saint-Petersburg and Leningrad region. Hortus Botanicus, 15(1), . https://doi.org/10.15393/j4.art.2020.7045
Chicago-referens (17:e uppl.)Vladimirovna, Orlova Larisa, Firsov Gennady Afanasevich, Trofimuk Lev, och Karamysheva Anastasia Vladimirovna. "The Graceful Fir (Abies Gracilis Kom., Pinaceae) in Saint-Petersburg and Leningrad Region." Hortus Botanicus 15, no. 1 (2020). https://doi.org/10.15393/j4.art.2020.7045.
MLA-referens (9:e uppl.)Vladimirovna, Orlova Larisa, et al. "The Graceful Fir (Abies Gracilis Kom., Pinaceae) in Saint-Petersburg and Leningrad Region." Hortus Botanicus, vol. 15, no. 1, 2020, https://doi.org/10.15393/j4.art.2020.7045.
