Cullen, M. D., & Ranly, D. (1970). Interview of Michael Cullen.
Lua i Stíl Chicago (17ú heag.)Cullen, Michael Denis, agus Don Ranly. Interview of Michael Cullen. 1970.
Lua MLA (8ú heag.)Cullen, Michael Denis, agus Don Ranly. Interview of Michael Cullen. 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.