APA-ийн эшлэл(7 дахь хэвлэлт)

London Centre for Psychotherapy, ebrary, Inc, & Foster, A. (2006). Difference: An avoided topic in practice. Karnac.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

London Centre for Psychotherapy, Inc ebrary, ба Angela Foster. Difference: An Avoided Topic in Practice. London ; New York: Karnac, 2006.

MLA -ийн эшлэл (9 дэх хэвлэлт)

London Centre for Psychotherapy, et al. Difference: An Avoided Topic in Practice. Karnac, 2006.