CH., T. Хятад хэлний хөнгөн хөг: Chinese neutral tone. Mongolian Journal of Foreign Languages and Cultures, [S. l.], v. 16, n. 363, p. 82–85, 2023. DOI: 10.22353/MJFLC2012111. Disponível em: https://journal.num.edu.mn/JOFLAC/article/view/4423. Acesso em: 11 jan. 2025.