Laurel, J. P. (1976). Politico-social problems [microform]. Photoduplication Service, University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Laurel, Jose Paciano. Politico-social Problems [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
Citatione MLA (9a ed.)Laurel, Jose Paciano. Politico-social Problems [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.