(1978). Modern problems in elastic wave propagation: Symposium held at Northwestern University, Evanston, Illinois, USA, Sept. 12-15, 1977, ed. John Wiley.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Modern Problems in Elastic Wave Propagation: Symposium Held at Northwestern University, Evanston, Illinois, USA, Sept. 12-15, 1977, Ed. New York: John Wiley, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Modern Problems in Elastic Wave Propagation: Symposium Held at Northwestern University, Evanston, Illinois, USA, Sept. 12-15, 1977, Ed. John Wiley, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.