APA aipamena

Bury, M., & Holme, A. (1991). Life after ninety. Routledge.

Chicago Style aipamena

Bury, Michael, and Anthea Holme. Life After Ninety. London ; New York: Routledge, 1991.

MLA aipamena

Bury, Michael, and Anthea Holme. Life After Ninety. Routledge, 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.