Copeland, M. A. (1961). Trends in government financing. Princeton Univ. Pr..
Chicago Style aipamenaCopeland, Morris A. Trends in Government Financing. Princeton, N. J.: Princeton Univ. Pr., 1961.
MLA aipamenaCopeland, Morris A. Trends in Government Financing. Princeton Univ. Pr., 1961.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.