Ball, M. J., Fletcher, P., & Crystal, D. (2019). Grammatical profiles: Further languages of LARSP. Multilingual Matters.
Citazione stile Chigago Style (17a edizione)Ball, Martin J., Paul Fletcher, e David Crystal. Grammatical Profiles: Further Languages of LARSP. Bristol ; Blue Ridge Summit: Multilingual Matters, 2019.
Citatione MLA (8a ed.)Ball, Martin J., et al. Grammatical Profiles: Further Languages of LARSP. Multilingual Matters, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.