Spring, J. H. 3. (201). American education. New York : McGraw-Hill.
Chicago Style (17th ed.) CitationSpring, Joel H. 329693. American Education. New York : McGraw-Hill, 201.
MLA引文Spring, Joel H. 329693. American Education. New York : McGraw-Hill, 201.
警告:這些引文格式不一定是100%准確.