Laserna, E. C. (1967). The coupling reaction of histidine and N-methyl histidine with p-diazobenzenesulfonic.
Lua i Stíl Chicago (17ú heag.)Laserna, Evelina C. The Coupling Reaction of Histidine and N-methyl Histidine with P-diazobenzenesulfonic. 1967.
Lua MLA (9ú heag.)Laserna, Evelina C. The Coupling Reaction of Histidine and N-methyl Histidine with P-diazobenzenesulfonic. 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.