Cita APA (7a ed.)
American Association of School Librarians & ebrary, Inc. (2009). Standards for the 21st-century learner in action. American Association of School Librarians.
Cita Chicago Style (17a ed.)
American Association of School Librarians y Inc ebrary. Standards for the 21st-century Learner in Action. Chicago, Ill.: American Association of School Librarians, 2009.
Cita MLA (9a ed.)
American Association of School Librarians y Inc ebrary. Standards for the 21st-century Learner in Action. American Association of School Librarians, 2009.
Precaución: Estas citas no son 100% exactas.