New York (State). Birth Defects Institute Conference:Symposium on Monitoring, Birth Defects and Environment, Albany, N.Y., 1970. (1971). Monitoring, birth defects and environment: The problem of surveillance; proceedings. Academic Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)New York (State). Birth Defects Institute Conference:Symposium on Monitoring, Birth Defects and Environment, Albany, N.Y., 1970. Monitoring, Birth Defects and Environment: The Problem of Surveillance; Proceedings. New York: Academic Press, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)New York (State). Birth Defects Institute Conference:Symposium on Monitoring, Birth Defects and Environment, Albany, N.Y., 1970. Monitoring, Birth Defects and Environment: The Problem of Surveillance; Proceedings. Academic Press, 1971.