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Davis & 2009,第80页 Davis, Bob. Going in by the front door: Searle, Earl Marshal School and Sheffield. Race & Class. 2009-09-24, 51 (2): 79–91. doi:10.1177/0306396809345578.
Gilroy & 2004,第174页 Gilroy, Paul. Police and Thieves. Centre for Contemporary Cultural Studies (编). Empire Strikes Back: Race and Racism in 70's Britain. London: Routledge. 2004: 141–180 [2020-11-19]. ISBN 978-1-134-89702-5. (原始内容存档于2021-02-06).
Wright & 2008,第185页 Wright, Niel. Dennis List: An Appreciation(PDF). Ka Mate Ka Ora: A New Zealand Journal of Poetry and Poetics. 2008-03, (5): 184–187. (原始内容存档(PDF)于2020-07-12).
Gilroy & 2004,第174页 Gilroy, Paul. Police and Thieves. Centre for Contemporary Cultural Studies (编). Empire Strikes Back: Race and Racism in 70's Britain. London: Routledge. 2004: 141–180 [2020-11-19]. ISBN 978-1-134-89702-5. (原始内容存档于2021-02-06).