Não informado. (1945). American vocational journal. American Vocational Association.
Style de citation Chicago (17e éd.)Não informado. American Vocational Journal. Washington: American Vocational Association, 1945.
Style de citation MLA (8e éd.)Não informado. American Vocational Journal. American Vocational Association, 1945.
Attention : ces citations peuvent ne pas être correctes à 100%.