Coppen, A., Swade, C., Jones, S., Armstrong, R., Blair, J., & Leeming, R. (1989). Depression and tetrahydrobiopterin: The folate connection.
Lua i Stíl Chicago (17ú heag.)Coppen, A., C. Swade, SA Jones, R. Armstrong, J. Blair, agus R. Leeming. Depression and Tetrahydrobiopterin: The Folate Connection. 1989.
Lua MLA (9ú heag.)Coppen, A., et al. Depression and Tetrahydrobiopterin: The Folate Connection. 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.