@book{bak2016social,
  title = {Social responsibility of organizations: CSR 1.0, CSR 2.0 and what's next?}
  author = {Bąk, Andrzej and Rojek-Nowosielska, Magdalena},
  url = {http://www.csr.ue.wroc.pl/5.2_CSR%201.0%20CSR%202.0.pdf},
  year = {2016}
}