Beringuel, R. P. A study of the service load of public secondary school teachers in the City of Manila [microform]. Photoduplication Service.
Citazione stile Chigago Style (17a edizione)Beringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Quezon City: Photoduplication Service.
Citatione MLA (9a ed.)Beringuel, Rosario Penaranda. A Study of the Service Load of Public Secondary School Teachers in the City of Manila [microform]. Photoduplication Service.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.