APA (7th ed.) Zitazioa
Schuman, D., & Waterman, B. (1986). A preface to politics: The spirit of the place (4th.ed.). D.C. Heath and Co..
Chicago Style (17th ed.) Zitazioa
Schuman, David, eta Bob Waterman. A Preface to Politics: The Spirit of the Place. 4th.ed. Massachusetts: D.C. Heath and Co., 1986.
MLA (9th ed.) Zitazioa
Schuman, David, eta Bob Waterman. A Preface to Politics: The Spirit of the Place. 4th.ed. D.C. Heath and Co., 1986.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.