National Research Council (U.S.). Committee to Evaluate the U.S. Navy's Extremely Low Frequency Communications System Ecological Monitoring Program & ebrary, Inc. (1997). An evaluation of the U.S. Navy's extremely low frequency communications system ecological monitoring program. National Academy Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Committee to Evaluate the U.S. Navy's Extremely Low Frequency Communications System Ecological Monitoring Program و Inc ebrary. An Evaluation of the U.S. Navy's Extremely Low Frequency Communications System Ecological Monitoring Program. Washington, D.C.: National Academy Press, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Committee to Evaluate the U.S. Navy's Extremely Low Frequency Communications System Ecological Monitoring Program و Inc ebrary. An Evaluation of the U.S. Navy's Extremely Low Frequency Communications System Ecological Monitoring Program. National Academy Press, 1997.