Style de citation APA (7e éd.)

Não informado. (1970). Viewpoints. Indiana University, School of Education.

Style de citation Chicago (17e éd.)

Não informado. Viewpoints. Bloomington, Ind: Indiana University, School of Education, 1970.

Style de citation MLA (8e éd.)

Não informado. Viewpoints. Indiana University, School of Education, 1970.

Attention : ces citations peuvent ne pas être correctes à 100%.