Cita APA (7th ed.)
Spring, J. H. (2006). American education (12th ed.). McGraw-Hill.
Cita Chicago (17th ed.)
Spring, Joel H. American Education. 12th ed. Boston, Mass.: McGraw-Hill, 2006.
Cita MLA (9th ed.)
Spring, Joel H. American Education. 12th ed. McGraw-Hill, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.