Hamilton, J. R., Martin, M. V., & Casavant, K. (1992). The effect of Lower Snake River Reservoir drawdown on barge transportation: Some observations. Washington State University Cooperative Extension ; Oregon State University Extension Service ; University of Idaho Cooperative Extension System ; U.S. Dept. of Agriculture.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Hamilton, Joel R., Michael V. Martin, و Ken Casavant. The Effect of Lower Snake River Reservoir Drawdown on Barge Transportation: Some Observations. [Pullman, Wash.] : [Corvallis, Or.] : [Moscow, Idaho] : [Washington, D.C.]: Washington State University Cooperative Extension ; Oregon State University Extension Service ; University of Idaho Cooperative Extension System ; U.S. Dept. of Agriculture, 1992.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Hamilton, Joel R., et al. The Effect of Lower Snake River Reservoir Drawdown on Barge Transportation: Some Observations. Washington State University Cooperative Extension ; Oregon State University Extension Service ; University of Idaho Cooperative Extension System ; U.S. Dept. of Agriculture, 1992.