Fondahl, J. W. (1965). Methods for extending the range of non-computer critical path applications. Prepared under contract no. NBy 45818 for the Bureau of Yards and Docks, U.S. Navy. Dept. of Civil Engineering, Stanford University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fondahl, John Walker. Methods for Extending the Range of Non-computer Critical Path Applications. Prepared Under Contract No. NBy 45818 for the Bureau of Yards and Docks, U.S. Navy. Stanford, Calif: Dept. of Civil Engineering, Stanford University, 1965.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fondahl, John Walker. Methods for Extending the Range of Non-computer Critical Path Applications. Prepared Under Contract No. NBy 45818 for the Bureau of Yards and Docks, U.S. Navy. Dept. of Civil Engineering, Stanford University, 1965.