American Association of School Librarians & ebrary, Inc. (2009). Standards for the 21st-century learner in action. American Association of School Librarians.
Chicago Style (17th ed.) CitationAmerican Association of School Librarians and Inc ebrary. Standards for the 21st-century Learner in Action. Chicago, Ill.: American Association of School Librarians, 2009.
MLA (9th ed.) CitationAmerican Association of School Librarians and Inc ebrary. Standards for the 21st-century Learner in Action. American Association of School Librarians, 2009.
Warning: These citations may not always be 100% accurate.