APA-ийн эшлэл(7 дахь хэвлэлт)

Mann, N. R. (2012). Doing harder time?: The experiences of an ageing male prison population in England and Wales. Ashgate Pub..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Mann, Natalie Rebecca. Doing Harder Time?: The Experiences of an Ageing Male Prison Population in England and Wales. Farnham ; Burlington, Vt.: Ashgate Pub., 2012.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Mann, Natalie Rebecca. Doing Harder Time?: The Experiences of an Ageing Male Prison Population in England and Wales. Ashgate Pub., 2012.