(2013). London: London, Kew Gardens & Richmond, Greater London, Heathrow Airport, Gatwick Airport, Stansted Airport ; updated, durable, water-repellent, write-on/wipe-off surface (14. ed.). Borch.
Chicago-Zitierstil (17. Ausg.)London: London, Kew Gardens & Richmond, Greater London, Heathrow Airport, Gatwick Airport, Stansted Airport ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 14. ed. [Hauzenberg]: Borch, 2013.
MLA-Zitierstil (9. Ausg.)London: London, Kew Gardens & Richmond, Greater London, Heathrow Airport, Gatwick Airport, Stansted Airport ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 14. ed. Borch, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.