Nyerere, J. K. (1982). South -South Option. Third Foundation Monograph 10.
Chicago Style (17th ed.) ZitazioaNyerere, Julius K. South -South Option. London: Third Foundation Monograph 10, 1982.
MLA (9th ed.) ZitazioaNyerere, Julius K. South -South Option. Third Foundation Monograph 10, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.