Bantock, N. (1993). The golden mean: In which the extraordinary correspondence of Griffin & Sabine concludes. Chronicle Books.
Lua i Stíl Chicago (17ú heag.)Bantock, Nick. The Golden Mean: In Which the Extraordinary Correspondence of Griffin & Sabine Concludes. San Francisco: Chronicle Books, 1993.
Lua MLA (9ú heag.)Bantock, Nick. The Golden Mean: In Which the Extraordinary Correspondence of Griffin & Sabine Concludes. Chronicle Books, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.