Não informado. (1891). American school board journal. American School Board.
Style de citation Chicago (17e éd.)Não informado. American School Board Journal. Milwaukee, Wis: American School Board, 1891.
Style de citation MLA (8e éd.)Não informado. American School Board Journal. American School Board, 1891.
Attention : ces citations peuvent ne pas être correctes à 100%.