Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Santos Nicolás, José Francisco and Benito Pérez, José Gonzalo and Oxlajuuj Keej Maya' Ajtz'iib' (Group)",Rukorb'aal poqom q'orb'al = Gramática poqom (poqomam),,Cholsamaj,1998,Gramáticas de referencia,,848945146X,,https://cir.nii.ac.jp/crid/1130282271522236288