Khan, M. M. (1977). Some properties of the forested soils of Mount Makiling and its vegetation [microform]. Photoduplication Service, University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Khan, Muhammed Manzoor. Some Properties of the Forested Soils of Mount Makiling and Its Vegetation [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Khan, Muhammed Manzoor. Some Properties of the Forested Soils of Mount Makiling and Its Vegetation [microform]. Photoduplication Service, University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.