Otanes, F. T. (1969). Language policy survey of the Philippines: Initial report. Language Study Center, Philippine Normal College.
Citazione stile Chigago Style (17a edizione)Otanes, Fe T. Language Policy Survey of the Philippines: Initial Report. Manila: Language Study Center, Philippine Normal College, 1969.
Citatione MLA (9a ed.)Otanes, Fe T. Language Policy Survey of the Philippines: Initial Report. Language Study Center, Philippine Normal College, 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.