APA (7 वां संस्करण) प्रशस्ति पत्र
Symposium on Purine and Pyrimidine Metabolism London, England, & ebrary, Inc. (1977). Purine and pyrimidine metabolism. Elsevier/Excerpta Medica/North-Holland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Symposium on Purine and Pyrimidine Metabolism London, England, और Inc ebrary. Purine and Pyrimidine Metabolism. Amsterdam ; New York: Elsevier/Excerpta Medica/North-Holland, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Symposium on Purine and Pyrimidine Metabolism London, England, और Inc ebrary. Purine and Pyrimidine Metabolism. Elsevier/Excerpta Medica/North-Holland, 1977.
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