@article{changxxxxhanyu,
  title = {Hanyu 3: Chinese for beginners: teacher's book},
  author = {CHANG, Peter},
  xn-author = {chang, peter},
  year = {xxxx},
  keywords = {China;Language;Study & Teaching},
  BAS = {118988},
  check = {chang:xxxx:hanyu},
  source = {bas},
}