Template:R:Wichmann & Brown 2011
Wichmann, Søren; Brown, Cecil H. (2011), “Syllable Nuclei of Proto-Mayan Disyllabic Stems”, Avelino, Heriberto, 编, New Perspectives in Mayan Linguistics, Cambridge Scholars Publishing, ISBN 978-1-4438-2424-8, 页316–342