MAY, L. J. (1970). Teaching mathematics in the elementary school. The Free Press.
Lua i Stíl Chicago (17ú heag.)MAY, Lola June. Teaching Mathematics in the Elementary School. New York: The Free Press, 1970.
Lua MLA (9ú heag.)MAY, Lola June. Teaching Mathematics in the Elementary School. The Free Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.