(2016). Oslo: Oslo Centre, Holmenkollen & Tryvannshøgda, Oslo & Region, Western Norway ; updated, durable, water-repellent, write-on/wipe-off surface (6. ed.). Borch.
Chicago-Zitierstil (17. Ausg.)Oslo: Oslo Centre, Holmenkollen & Tryvannshøgda, Oslo & Region, Western Norway ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 6. ed. [Hauzenberg]: Borch, 2016.
MLA-Zitierstil (9. Ausg.)Oslo: Oslo Centre, Holmenkollen & Tryvannshøgda, Oslo & Region, Western Norway ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 6. ed. Borch, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.