Williams, P. D. Filipino children's concepts of body organs and illnesses. NSTA-UPS Integrated Research Program, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Williams, Phoebe D. Filipino Children's Concepts of Body Organs and Illnesses. Diliamn, Quezon City: NSTA-UPS Integrated Research Program, University of the Philippines.
Citatione MLA (9a ed.)Williams, Phoebe D. Filipino Children's Concepts of Body Organs and Illnesses. NSTA-UPS Integrated Research Program, University of the Philippines.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.