Spyker, J. (1848). A collection of geographical, moral, religious, Biblical, political and other chapters: In the form questions and answers ... Brady and Wilson.
Lua i Stíl Chicago (17ú heag.)Spyker, Joel. A Collection of Geographical, Moral, Religious, Biblical, Political and Other Chapters: In the Form Questions and Answers ... Brookville, PA.: Brady and Wilson, 1848.
Lua MLA (8ú heag.)Spyker, Joel. A Collection of Geographical, Moral, Religious, Biblical, Political and Other Chapters: In the Form Questions and Answers ... Brady and Wilson, 1848.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.