Sambo, E. B. Certain concepts on water and suggested instructional activities for Grade Three children.
Citazione stile Chigago Style (17a edizione)Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children. Quezon City, 1972.
Citatione MLA (9a ed.)Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.