APA aipamena

Spring, J. (2012). American education. New York: McGraw-Hill.

Chicago Style aipamena

Spring, Joel. American Education. New York: McGraw-Hill, 2012.

MLA aipamena

Spring, Joel. American Education. New York: McGraw-Hill, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.