Gardner, B. K. (2001). The Genesis Calendar: The synchronistic tradition in Genesis 1 - 11. Univ. Press of America.
Lua i Stíl Chicago (17ú heag.)Gardner, Bruce K. The Genesis Calendar: The Synchronistic Tradition in Genesis 1 - 11. Lanham, MD [u.a.]: Univ. Press of America, 2001.
Lua MLA (8ú heag.)Gardner, Bruce K. The Genesis Calendar: The Synchronistic Tradition in Genesis 1 - 11. Univ. Press of America, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.