Copley, G. R. (1979). Defense & foreign affairs. Copley & Associates.
Chicago Style (17th ed.) CitationCopley, Gregory R. Defense & Foreign Affairs. Washington, D.C.: Copley & Associates, 1979.
MLA引文Copley, Gregory R. Defense & Foreign Affairs. Copley & Associates, 1979.
警告:這些引文格式不一定是100%准確.