Pirie, I. G., Jecks, D., & Montgomery, R. (1974). Continuous progress in mathematics: For New South Wales schools. book 5 (New South Wales ed.). Carroll's.
Lua i Stíl Chicago (17ú heag.)Pirie, Ian G., Douglas Jecks, agus Raymond Montgomery. Continuous Progress in Mathematics: For New South Wales Schools. Book 5. New South Wales ed. Perth: Carroll's, 1974.
Lua MLA (8ú heag.)Pirie, Ian G., et al. Continuous Progress in Mathematics: For New South Wales Schools. Book 5. New South Wales ed. Carroll's, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.