Цитирование APA (7-е изд.)

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

Цитирование в стиле Чикаго (17-е изд.)

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

Цитирование MLA (9-е изд.)

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.