APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Pennington, P., & Sperling, M. (2011). Geoffrey Hill and his contexts. Peter Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Piers Pennington, ба Matthew Sperling. Geoffrey Hill and His Contexts. Oxford ; New York: Peter Lang, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Geoffrey Hill and His Contexts. Peter Lang, 2011.