Gwynn, J. M. (1960). Curriculum principles and social trends (3rd ed.). Macmillan.
Chicago Style (17th ed.) CitationGwynn, John Minor. Curriculum Principles and Social Trends. 3rd ed. New York: Macmillan, 1960.
MLA引文Gwynn, John Minor. Curriculum Principles and Social Trends. 3rd ed. Macmillan, 1960.
警告:這些引文格式不一定是100%准確.