Não informado. (2000). Informs. Institute for Operations Research and the Management Sciences.
Citação do estilo Chicago (17ª ed.)Não informado. Informs. Baltimore, Md: Institute for Operations Research and the Management Sciences, 2000.
Citação MLA (8ª ed.)Não informado. Informs. Institute for Operations Research and the Management Sciences, 2000.
警告：这些引文格式不一定是100％准确.