Ball, M. J., Fletcher, P., & Crystal, D. (2019). Grammatical profiles: Further languages of LARSP. Multilingual Matters.
芝加哥风格引文Ball, Martin J., Paul Fletcher, 与 David Crystal. Grammatical Profiles: Further Languages of LARSP. Bristol ; Blue Ridge Summit: Multilingual Matters, 2019.
MLA引文Ball, Martin J., et al. Grammatical Profiles: Further Languages of LARSP. Multilingual Matters, 2019.
警告：这些引文格式不一定是100％准确.