Lua APA (7ú heag.)
Bury, M., & Holme, A. (1991). Life after ninety. Routledge.
Lua i Stíl Chicago (17ú heag.)
Bury, Michael, agus Anthea Holme. Life After Ninety. London ; New York: Routledge, 1991.
Lua MLA (9ú heag.)
Bury, Michael, agus Anthea Holme. Life After Ninety. Routledge, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.