Kotter, J. &. R. h. (2016). That's Not How we do it here! Portfolio Penguin.
Lua i Stíl Chicago (17ú heag.)Kotter, John & Rathgeber holger. That's Not How We Do It Here! UK: Portfolio Penguin, 2016.
Lua MLA (9ú heag.)Kotter, John & Rathgeber holger. That's Not How We Do It Here! Portfolio Penguin, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.