Não informado. (1974). Advances in sleep research. Spectrum Publications.
Lua i Stíl Chicago (17ú heag.)Não informado. Advances in Sleep Research. New York: Spectrum Publications, 1974.
Lua MLA (8ú heag.)Não informado. Advances in Sleep Research. Spectrum Publications, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.