International Conference on the Utilization of Tidal Power, Nova Scotia Technical College, 1970, & Gray, T. J. 1. (1972). Tidal power: Proceedings of an International Conference on the Utilization of Tidal Power held May 24-29, 1970, at the Atlantic Industrial Research Institute, Nova Scotia TEchnical College, Halifax, Novia, Scotia. Lenum Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Conference on the Utilization of Tidal Power, Nova Scotia Technical College, 1970, و Thomas James 1917 Gray. Tidal Power: Proceedings of an International Conference on the Utilization of Tidal Power Held May 24-29, 1970, at the Atlantic Industrial Research Institute, Nova Scotia TEchnical College, Halifax, Novia, Scotia. New York: Lenum Press, 1972.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Conference on the Utilization of Tidal Power, Nova Scotia Technical College, 1970, و Thomas James 1917 Gray. Tidal Power: Proceedings of an International Conference on the Utilization of Tidal Power Held May 24-29, 1970, at the Atlantic Industrial Research Institute, Nova Scotia TEchnical College, Halifax, Novia, Scotia. Lenum Press, 1972.