Speight, A. Philosophy of literature in the nighteenth century: Allen Speight. The Routledge companion to philosophy of literature.(2019).
Lua i Stíl Chicago (17ú heag.)Speight, Allen. "Philosophy of Literature in the Nighteenth Century: Allen Speight." The Routledge Companion to Philosophy of Literature.(2019) .
Lua MLA (8ú heag.)Speight, Allen. "Philosophy of Literature in the Nighteenth Century: Allen Speight." The Routledge Companion to Philosophy of Literature.(2019), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.