APA-referens (7:e uppl.)

Pennick, N. (2012). Sacred architecture of London. Aeon Books.

Chicago-referens (17:e uppl.)

Pennick, Nigel. Sacred Architecture of London. London: Aeon Books, 2012.

MLA-referens (9:e uppl.)

Pennick, Nigel. Sacred Architecture of London. Aeon Books, 2012.