APA (7e ed.) Bronvermelding

Symposium on Purine and Pyrimidine Metabolism London, England, & ProQuest (Firm). (1977). Purine and pyrimidine metabolism. Elsevier/Excerpta Medica/North-Holland.

Chicago (17e ed.) Bronvermelding

Symposium on Purine and Pyrimidine Metabolism London, England, en ProQuest (Firm). Purine and Pyrimidine Metabolism. Amsterdam ; New York: Elsevier/Excerpta Medica/North-Holland, 1977.

MLA (9e ed.) Bronvermelding

Symposium on Purine and Pyrimidine Metabolism London, England, en ProQuest (Firm). Purine and Pyrimidine Metabolism. Elsevier/Excerpta Medica/North-Holland, 1977.