@book{AbdulLyndon2010,
  author    = {Selemane Abdul and Ada Lyndon},
  title     = {Manual para aprender a l{\´i}ngua Ekoti : li{\c{c}}{\~o}es 1-15},
  edition   = {Primeira edi{\c{c}}{\~a}o electr{\´o}nica},
  url       = {http://lidemo.net/2010/docs/eko_v000176.pdf},
  year      = {2010},
}