اكتشف مناهل المعرفة!

توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Meeting of European Geological Societies Reading, England, Ager, D. V., & Brooks, M. (1977). Europe from crust to core: Keynote addresses from the first Meeting of European Geological Societies, Reading (UK), September 1975. Wiley.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Meeting of European Geological Societies Reading, England, D. V. Ager, و M. Brooks. Europe from Crust to Core: Keynote Addresses from the First Meeting of European Geological Societies, Reading (UK), September 1975. London ; New York: Wiley, 1977.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Meeting of European Geological Societies Reading, England, et al. Europe from Crust to Core: Keynote Addresses from the First Meeting of European Geological Societies, Reading (UK), September 1975. Wiley, 1977.