@misc{30449,
  title = {A user's guide to the Self reporting questionnaire (SRQ)},
  year = {1994},
  number = {WHO/MNH/PSF/94.8},
  publisher = {World Health Organization},
  address = {Geneva},
  url = {http://apps.who.int/iris/bitstream/10665/61113/1/WHO_MNH_PSF_94.8.pdf},
  language = {eng},
}