Laya, J. C. His native soil [microform] (Rev. ed.). Photoduplication Service, University of the Philippines Library, n.d.
Citazione stile Chigago Style (17a edizione)Laya, Juan Cabreros. His Native Soil [microform]. Rev. ed. Quezon City: Photoduplication Service, University of the Philippines Library, n.d.
Citatione MLA (9a ed.)Laya, Juan Cabreros. His Native Soil [microform]. Rev. ed. Photoduplication Service, University of the Philippines Library, n.d.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.