Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Ludwig, R. A. (1980). Physiological roles of glutamine synthetases I and II in ammonium assimilation in Rhizobium sp. 32H1. J Bacteriol.
Chicago Style (17th ed.) Zitazioa
Ludwig, R A. "Physiological Roles of Glutamine Synthetases I and II in Ammonium Assimilation in Rhizobium Sp. 32H1." J Bacteriol 1980.
MLA (9th ed.) Zitazioa
Ludwig, R A. "Physiological Roles of Glutamine Synthetases I and II in Ammonium Assimilation in Rhizobium Sp. 32H1." J Bacteriol, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.