Frommer, H. (2017). Europe: Europe, Europe North, London, Paris, Rome : updated - durable - water-repellent - write-on/wipe-off surface = Europa (15th edition.). Borch GmbH.
Chicago-Zitierstil (17. Ausg.)Frommer, H. Europe: Europe, Europe North, London, Paris, Rome : Updated - Durable - Water-repellent - Write-on/wipe-off Surface = Europa. 15th edition. [Hauzenberg]: Borch GmbH, 2017.
MLA-Zitierstil (9. Ausg.)Frommer, H. Europe: Europe, Europe North, London, Paris, Rome : Updated - Durable - Water-repellent - Write-on/wipe-off Surface = Europa. 15th edition. Borch GmbH, 2017.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.