APA (7th ed.) Zitazioa
Hofstra, J. J. (1966). Amino-Acids in the root and bleeding sap of tomato plants.
Chicago Style (17th ed.) Zitazioa
Hofstra, Jurina Johanna. Amino-Acids in the Root and Bleeding Sap of Tomato Plants. Groningen, 1966.
MLA (9th ed.) Zitazioa
Hofstra, Jurina Johanna. Amino-Acids in the Root and Bleeding Sap of Tomato Plants. 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.