@incollection{Horn2018,
  author    = {Sierk Horn},
  title     = {Sponsorship},
  series = {Exploring Public Relations},
  editor    = {Ralph Tench and Liz Yeomans},
  publisher = {Pearson Education Limited},
  address   = {Harlow},
  isbn      = {978-0-273-68889-1},
  pages     = {518 -- 536},
  year      = {2018},
  language  = {en}
}