Booker, G. (2004). Teaching primary mathematics (3rd ed.). Pearson Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Booker, George. Teaching Primary Mathematics. 3rd ed. Frenchs Forest, N.S.W.: Pearson Prentice Hall, 2004.
Lua MLA (9ú heag.)Booker, George. Teaching Primary Mathematics. 3rd ed. Pearson Prentice Hall, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
