Reference: Haupers and Haupers 1991

Haupers, Ralph & Lorraine Haupers. 1991. Stieng-English dictionary. Dallas: SIL. xviii+263pp.

@book{haupers1991dictionary,
  address   = {Dallas},
  author    = {Haupers, Ralph and Haupers, Lorraine},
  pages     = {xviii+263},
  publisher = {SIL},
  title     = {Stieng-English dictionary},
  year      = {1991}
}