Cita APA (7th ed.)

Sambo, E. B. Certain concepts on water and suggested instructional activities for Grade Three children.

Cita Chicago (17th ed.)

Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children. Quezon City, 1972.

Cita MLA (9th ed.)

Sambo, Emma Banday. Certain Concepts on Water and Suggested Instructional Activities for Grade Three Children.