@book{dryerorder-hhgEmenanjoIgbo,
  address   = {Ibadan},
  author    = {Emenanjo, Nolue E.},
  key       = {Emenanjo 1987},
  pages     = {263},
  publisher = {Ibadan: University Press Limited},
  title     = {Elements of Modern Igbo Grammar},
  year      = {1987}
}