School Mathematics Study Group & Haag, V. H. (1961). Introduction to secondary school mathematics (Rev. ed.). Yale University Press.
Lua i Stíl Chicago (17ú heag.)School Mathematics Study Group agus Vincent H. Haag. Introduction to Secondary School Mathematics. Rev. ed. New Haven: Yale University Press, 1961.
Lua MLA (9ú heag.)School Mathematics Study Group agus Vincent H. Haag. Introduction to Secondary School Mathematics. Rev. ed. Yale University Press, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.