Werrema. After 50 Years: The Promised Land is Still Too Far! 1961 - 2011. Mkuki na Nyota Publishers.
Chicago Style (17th ed.) ZitazioaWerrema. After 50 Years: The Promised Land Is Still Too Far! 1961 - 2011. Mkuki na Nyota Publishers.
MLA (9th ed.) ZitazioaWerrema. After 50 Years: The Promised Land Is Still Too Far! 1961 - 2011. Mkuki na Nyota Publishers.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.