APA (7th ed.) Zitazioa
Purdy, J. (1984). Eustace Chisholm and the works. GMP.
Chicago Style (17th ed.) Zitazioa
Purdy, James. Eustace Chisholm and the Works. London: GMP, 1984.
MLA (9th ed.) Zitazioa
Purdy, James. Eustace Chisholm and the Works. GMP, 1984.
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