J.A.Jackson. (1969). Migration. cambridge at the university pr..
Chicago Style (17th ed.) ZitazioaJ.A.Jackson. Migration. New York: cambridge at the university pr., 1969.
MLA (9th ed.) ZitazioaJ.A.Jackson. Migration. cambridge at the university pr., 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.