@book{Zerres2017,
  author    = {Thomas Zerres},
  title     = {Grundlagen des Wirtschaftsprivatrechts},
  edition   = {4},
  isbn      = {978-87-403-1792-3},
  url       = {https://bookboon.com/de/grundlagen-des-wirtschaftsprivatrechts-2-ebook},
  year      = {2017},
}