My only concern is plagiarism, will I be guaranteed a plagiarism score below 25%

My only concern is plagiarism, will I be guaranteed a plagiarism score below 25%?
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Here are prescribed sources:
https://ezproxy.iielearn.ac.za/login?url=https://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=1590574&site=ehost-live&scope=site
Duperray, M. 2011. “Déjà Vu’ in The Turn of the Screw”, in D. Tredy et. al. (Eds.), Henry James’s Europe. [Online]. Available at: http://books.openedition.org/obp/826
Valverde, RG. 2012. The Fantastic Modernist; or Henry James’s The Turn of the Screw, Revisited. ES. Revista de Filología Inglesa 33(2012), pp.97–114.
And recommend sources have been attached