@article{vanBuuren2016,
  author    = {Jasper van Buuren},
  title     = {The Difference between Moral Sources and Hypergoods},
  journal   = {International philosophical quarterly},
  volume    = {56},
  pages     = {171 -- 186},
  doi       = {10.5840/ipq201641259},
  year      = {2016},
}