Cheng, T. (1977). A study of the classification and distribution of the fresh water cladocerans around Manila [microform]. Photoduplication Service. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Cheng, Tsi-Chung. A Study of the Classification and Distribution of the Fresh Water Cladocerans Around Manila [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Cheng, Tsi-Chung. A Study of the Classification and Distribution of the Fresh Water Cladocerans Around Manila [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.