Moreau, P., Francis, I., & Kennedy, W. (1983). Cenomanian ammonites from northern aquitaine.
Lua i Stíl Chicago (17ú heag.)Moreau, P., I. Francis, agus W. Kennedy. Cenomanian Ammonites from Northern Aquitaine. 1983.
Lua MLA (9ú heag.)Moreau, P., et al. Cenomanian Ammonites from Northern Aquitaine. 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.