Cooper, R. (1854). The London investigator: A monthly journal of secularism. Collins.
Lua i Stíl Chicago (17ú heag.)Cooper, Robert. The London Investigator: A Monthly Journal of Secularism. Newcastle-upon-Tyne: Collins, 1854.
Lua MLA (8ú heag.)Cooper, Robert. The London Investigator: A Monthly Journal of Secularism. Collins, 1854.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.