Slings, H., & van Oostrom, F. (2007). A Key to Dutch History: The Cultural Canon of the Netherlands. Amsterdam University Press.
Lua i Stíl Chicago (17ú heag.)Slings, Hubert, agus Frits van Oostrom. A Key to Dutch History: The Cultural Canon of the Netherlands. Amsterdam University Press, 2007.
Lua MLA (8ú heag.)Slings, Hubert, agus Frits van Oostrom. A Key to Dutch History: The Cultural Canon of the Netherlands. Amsterdam University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.