APA (7th ed.) Zitazioa
Meehan, E. J. (1968). Explanation in social science: A system paradigm. Dorsey Press.
Chicago Style (17th ed.) Zitazioa
Meehan, Eugene J. Explanation in Social Science: A System Paradigm. Homewood, Ill.: Dorsey Press, 1968.
MLA (9th ed.) Zitazioa
Meehan, Eugene J. Explanation in Social Science: A System Paradigm. Dorsey Press, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.