Fuentes, M. B., & Adorio, M. P. (1973). Suggested activities in geometry using manipulative materials for socially-alienated children (grade four).
Lua i Stíl Chicago (17ú heag.)Fuentes, Maria B., agus Mercedes P. Adorio. Suggested Activities in Geometry Using Manipulative Materials for Socially-alienated Children (grade Four). 1973.
Lua MLA (9ú heag.)Fuentes, Maria B., agus Mercedes P. Adorio. Suggested Activities in Geometry Using Manipulative Materials for Socially-alienated Children (grade Four). 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.