@book{548747,
  address        = {Dallas},
  author         = {Gary F. Simons and Charles D. Fennig},
  edition        = {20},
  publisher      = {SIL International},
  title          = {Ethnologue: Languages of the World},
  url            = {http://www.ethnologue.com},
  year           = {2017},
  citekeys       = {glossa5300:B79},
  hhtype         = {overview},
  inlg           = {English [eng]},
  isreferencedby = {glossa5300},
  lgcode         = {Lithuanian Sign Language [lls], Papua New Guinean Sign Language [pgz], Chadian Sign Language [cds]},
  macro_area     = {Africa, Eurasia, Papunesia},
  src            = {glossa, hh}
}