Yuliya V. Kalugina, Andrey N. Belyaev, Olga N. Novikova, Alfiya F. Aznabaeva,. «A Proper Noun in Artificial Languages: Theoretical and Practical Aspects». Opción 360 (abril 24, 2020): 662-678. Accedido julio 30, 2025. https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/31737.