Licup, N. L. (1978). Children's ability to coordinate perspectives of isolated objects: Implications for science curriculum development.
Lua i Stíl Chicago (17ú heag.)Licup, Nora Librado-. Children's Ability to Coordinate Perspectives of Isolated Objects: Implications for Science Curriculum Development. 1978.
Lua MLA (9ú heag.)Licup, Nora Librado-. Children's Ability to Coordinate Perspectives of Isolated Objects: Implications for Science Curriculum Development. 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.