APA način citiranja (7. izdanje)
Gardiner, T. (2016). Teaching mathematics at secondary level. Open Book Publishers.
Čikaški stil citiranja (17. izdanje)
Gardiner, Tony. Teaching Mathematics at Secondary Level. Cambridge, UK: Open Book Publishers, 2016.
MLA način citiranja (9. izdanje)
Gardiner, Tony. Teaching Mathematics at Secondary Level. Open Book Publishers, 2016.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.