APA način citiranja (7. izdanje)

Piper, T. (2001). And then there were two: Children and second language learning. Pippin Pub..

Čikaški stil citiranja (17. izdanje)

Piper, Terry. And Then There Were Two: Children and Second Language Learning. Toronto: Pippin Pub., 2001.

MLA način citiranja (9. izdanje)

Piper, Terry. And Then There Were Two: Children and Second Language Learning. Pippin Pub., 2001.