Não informado. (1949). Journal of Industrial Engineering. American Institute of Industrial Engineers.
Citação do estilo Chicago (17ª ed.)Não informado. Journal of Industrial Engineering. New York: American Institute of Industrial Engineers, 1949.
Citação MLA (8ª ed.)Não informado. Journal of Industrial Engineering. American Institute of Industrial Engineers, 1949.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.