Columbia River Basalt Symposium Eastern Washington State College, Gilmour, E. H., & Stradling, D. (1970). Proceedings of the second Columbia River Basalt Symposium, Eastern Washington State College, Cheney, Washington, March 21, 22, 23, 1969. EWSC Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Columbia River Basalt Symposium Eastern Washington State College, Ernest H. Gilmour, و Dale Stradling. Proceedings of the Second Columbia River Basalt Symposium, Eastern Washington State College, Cheney, Washington, March 21, 22, 23, 1969. [Cheney, Washington]: EWSC Press, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Columbia River Basalt Symposium Eastern Washington State College, et al. Proceedings of the Second Columbia River Basalt Symposium, Eastern Washington State College, Cheney, Washington, March 21, 22, 23, 1969. EWSC Press, 1970.