Cita APA (7th ed.)
ebrary, Inc, & Sornson, R. (2001). Preventing early learning failure. Association for Supervision & Curriculum Development.
Cita Chicago (17th ed.)
ebrary, Inc, i Robert Sornson. Preventing Early Learning Failure. Alexandria, Va.: Association for Supervision & Curriculum Development, 2001.
Cita MLA (9th ed.)
ebrary, Inc, i Robert Sornson. Preventing Early Learning Failure. Association for Supervision & Curriculum Development, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.