(1967). The school mathematics project: Advanced mathematics book 1 2. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)The School Mathematics Project: Advanced Mathematics Book 1 2. London: Cambridge University Press, 1967.
Lua MLA (9ú heag.)The School Mathematics Project: Advanced Mathematics Book 1 2. Cambridge University Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.