GROPIUS, W. (1968). Apollo In Democracy. McGraw-Hill.
Chicago Style (17th ed.) CitationGROPIUS, Walter. Apollo In Democracy. McGraw-Hill, 1968.
MLA引文GROPIUS, Walter. Apollo In Democracy. McGraw-Hill, 1968.
警告：這些引文格式不一定是100％准確.
APA引文