Rosero, Michael Wilson I.; Balbuena, Sherwin E. (2016). 'An 'Ortograpiya san Minasbaté / Draft Minasbate Working Orthography (in Masbateño and English). Mandaon, Philippines: Dr. Emilio B. Espinosa Sr. Memorial State College of Agriculture and Technology – via Academia.edu.{{cite book}}: CS1 maint: unrecognized language (link)
Foley, William (1998). "Symmetrical Voice Systems and Precategoriality in Philippine Languages". CiteSeerX10.1.1.7.7620. {{cite journal}}: Cite journal requires |journal= (help)