Symposium on the Economy and Chemistry of Phosphorus London, England, & ebrary, Inc. (1978). Phosphorus in the environment: Its chemistry and biochemistry. Elsevier/Excerpta Medica/North Holland.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Symposium on the Economy and Chemistry of Phosphorus London, England, و Inc ebrary. Phosphorus in the Environment: Its Chemistry and Biochemistry. Amsterdam ; New York: Elsevier/Excerpta Medica/North Holland, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Symposium on the Economy and Chemistry of Phosphorus London, England, و Inc ebrary. Phosphorus in the Environment: Its Chemistry and Biochemistry. Elsevier/Excerpta Medica/North Holland, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.