Não informado. (2012). Communicator. National Association of Elementary School Principals.
Style de citation Chicago (17e éd.)Não informado. Communicator. Alexandria, Va: National Association of Elementary School Principals, 2012.
Style de citation MLA (8e éd.)Não informado. Communicator. National Association of Elementary School Principals, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.