Robin Dunn-Marcos, Konia T. Kollehlon, Bernard Ngovo, and Emily Russ (2005) in Donald A. Ranard (ed.) Liberians: An introduction to their history and culture (Washington: Center for Applied Linguistics) available online here [1]Arhivat în , la Wayback Machine.
Robin Dunn-Marcos, Konia T. Kollehlon, Bernard Ngovo, and Emily Russ (2005) in Donald A. Ranard (ed.) Liberians: An introduction to their history and culture (Washington: Center for Applied Linguistics) available online here [1]Arhivat în , la Wayback Machine.