Ferraz Gerardi, Fabrício; Reichert, Stanislav (2021). "The Tupí-Guaraní language family". Diachronica. 38 (2). John Benjamins Publishing Company: 151–188. doi:10.1075/dia.18032.fer. ISSN0176-4225. S2CID228872841.
Ferraz Gerardi, F., & Reichert, S. (2020). CLDF dataset derived from Gerardi and Reichert's "The Tupí-Guaraní Language Family: A Phylogenetic Classification" from 2020 (v1.0.1) [Data set]. Zenodo. doi:10.5281/zenodo.4094642