Harrington, J. A., & Pool, D. I. (1971). Patterns of survivorship in Upper Volta and Niger, 1969 and 1970. s.n..
Lua i Stíl Chicago (17ú heag.)Harrington, Judith Angela, agus D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. [s.l.: s.n., 1971.
Lua MLA (8ú heag.)Harrington, Judith Angela, agus D. Ian Pool. Patterns of Survivorship in Upper Volta and Niger, 1969 and 1970. s.n., 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.