Não informado. (1970). Planning & Changing. Illinois State University, Department of Educational Administration.
Style de citation Chicago (17e éd.)Não informado. Planning & Changing. Normal, Ill: Illinois State University, Department of Educational Administration, 1970.
Style de citation MLA (8e éd.)Não informado. Planning & Changing. Illinois State University, Department of Educational Administration, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.