Lua APA (7ú heag.)

(1987). Teaching Mathematics in the Early Childhood Classroom. Alberta Teachers Association.

Lua i Stíl Chicago (17ú heag.)

Teaching Mathematics in the Early Childhood Classroom. Alberta Teachers Association, 1987.

Lua MLA (9ú heag.)

Teaching Mathematics in the Early Childhood Classroom. Alberta Teachers Association, 1987.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.