Hill, H. C. (1928). Community and vocational civics. Ginn.
Chicago Style (17th ed.) CitationHill, Howard C. Community and Vocational Civics. Boston: Ginn, 1928.
MLA引文Hill, Howard C. Community and Vocational Civics. Ginn, 1928.
警告:这些引文格式不一定是100%准确.