^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (編). Qingtian. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
^Tolchinsky, Liliana; Salas, Naymé. Written Representations of Nominal Morphology by Chinese and Moroccan Children Learning a Romance Language. Bazerman, Charles; et al (編). Traditions of Writing Research illustrated. New York: Routledge. 2009: 154 [2023-01-07]. ISBN 978-0-415-99337-1. doi:10.4324/9780203892329-19. （原始內容存檔於2023-01-07） （英語）. Eighty-four children participate in the study: 28 Chinese children, mostly from Zhejiang—a province south to Shanghai, speakers of Qing Tian Hua; 26 Moroccan children mostly from North Morocco, speakers of Darija—i.e., Moroccan Arabic...
