(2015). Barcelona: Barcelona Centre, Royal Palace, Parc Güell, Old Town, Barcelona & region ; updated, durable, water-repellent, write-on/wipe-off surface (13. ed.). Borch.
Chicago-Zitierstil (17. Ausg.)Barcelona: Barcelona Centre, Royal Palace, Parc Güell, Old Town, Barcelona & Region ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 13. ed. [Hauzenberg]: Borch, 2015.
MLA-Zitierstil (9. Ausg.)Barcelona: Barcelona Centre, Royal Palace, Parc Güell, Old Town, Barcelona & Region ; Updated, Durable, Water-repellent, Write-on/wipe-off Surface. 13. ed. Borch, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.