Ross, E. (1952). African heritage. Friendship press.
Chicago Style (17th ed.) ZitazioaRoss, Emory. African Heritage. New York: Friendship press, 1952.
MLA (9th ed.) ZitazioaRoss, Emory. African Heritage. Friendship press, 1952.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.