Gardiner, T. (2016). Teaching mathematics at secondary level. Open Book Publishers.
Lua i Stíl Chicago (17ú heag.)Gardiner, Tony. Teaching Mathematics at Secondary Level. Cambridge, UK: Open Book Publishers, 2016.
Lua MLA (9ú heag.)Gardiner, Tony. Teaching Mathematics at Secondary Level. Open Book Publishers, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.