EDMUND, N. W. (1993). Metode ilmiah SM-14. Dabara.
Lua i Stíl Chicago (17ú heag.)EDMUND, Norman W. Metode Ilmiah SM-14. Solo: Dabara, 1993.
Lua MLA (9ú heag.)EDMUND, Norman W. Metode Ilmiah SM-14. Dabara, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.