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.