Swineford, A., & Ingerson, E. (1963). Clays and clay minerals: :Proceedings of the tenth national conference on clays and clay minerals.v.12. Pergamon Press.
استشهاد بنمط شيكاغوSwineford, Ada, و Earl Ingerson. Clays and Clay Minerals: :Proceedings of the Tenth National Conference on Clays and Clay Minerals.v.12. New York: Pergamon Press, 1963.
MLA استشهادSwineford, Ada, و Earl Ingerson. Clays and Clay Minerals: :Proceedings of the Tenth National Conference on Clays and Clay Minerals.v.12. Pergamon Press, 1963.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.