(1991). Replication research in the social sciences. Sagc.
Chicago Style (17th ed.) ZitazioaReplication Research in the Social Sciences. New Delhi: Sagc, 1991.
MLA (9th ed.) ZitazioaReplication Research in the Social Sciences. Sagc, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.