Não informado. (1968). Scandinavian Journal of Gastroenterology. Norwegian University Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Scandinavian Journal of Gastroenterology. Oslo: Norwegian University Press, 1968.
Lua MLA (8ú heag.)Não informado. Scandinavian Journal of Gastroenterology. Norwegian University Press, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.