APA (7e ed.) Bronvermelding

Zettersten, A. (2011). J.R.R. Tolkien's double worlds and creative process: Language and life. Palgrave Macmillan.

Chicago (17e ed.) Bronvermelding

Zettersten, Arne. J.R.R. Tolkien's Double Worlds and Creative Process: Language and Life. New York: Palgrave Macmillan, 2011.

MLA (8e ed.) Bronvermelding

Zettersten, Arne. J.R.R. Tolkien's Double Worlds and Creative Process: Language and Life. Palgrave Macmillan, 2011.