Hull, D. L. Darwin's science and Victorian philosophy of science: David L. Hull. The Cambridge Companion to Darwin.(2006).
Lua i Stíl Chicago (17ú heag.)Hull, David L. "Darwin's Science and Victorian Philosophy of Science: David L. Hull." The Cambridge Companion to Darwin.(2006) .
Lua MLA (8ú heag.)Hull, David L. "Darwin's Science and Victorian Philosophy of Science: David L. Hull." The Cambridge Companion to Darwin.(2006), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.