APA (7th ed.) Zitazioa
Symposium on Purine and Pyrimidine Metabolism London, England, & ebrary, Inc. (1977). Purine and pyrimidine metabolism. Elsevier/Excerpta Medica/North-Holland.
Chicago Style (17th ed.) Zitazioa
Symposium on Purine and Pyrimidine Metabolism London, England, eta Inc ebrary. Purine and Pyrimidine Metabolism. Amsterdam ; New York: Elsevier/Excerpta Medica/North-Holland, 1977.
MLA (9th ed.) Zitazioa
Symposium on Purine and Pyrimidine Metabolism London, England, eta Inc ebrary. Purine and Pyrimidine Metabolism. Elsevier/Excerpta Medica/North-Holland, 1977.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.