International Journal on Lifelong Education & Leadership. Osman TİTREK.
Lua i Stíl Chicago (17ú heag.)International Journal on Lifelong Education & Leadership. Osman TİTREK.
Lua MLA (9ú heag.)International Journal on Lifelong Education & Leadership. Osman TİTREK.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.