Não informado. (1945). American vocational journal. American Vocational Association.
Chicagoスタイル(17版)引用形式Não informado. American Vocational Journal. Washington: American Vocational Association, 1945.
MLA(8版)引用形式Não informado. American Vocational Journal. American Vocational Association, 1945.
警告: この引用は必ずしも正確ではありません.