@book{samplebook2022,
  author    = {Bookauthor, A.},
  title     = {Sample Book Title in Water Economics},
  publisher = {Sample Publisher},
  year      = {2022}
}

@article{samplearticle2025,
  author    = {Articleauthor, B. and Coauthor, C.},
  title     = {Sample Article Title in Water Economics},
  journal   = {Sample Journal of Water Economics},
  year      = {2025},
  volume    = {10},
  number    = {2},
  pages     = {123--145}
}