Coo, J. C. M. d. (1974). Lithostratigraphy of the Devonian Santa Lucía limestones in Leon, Spain: Proefschrift.
Lua i Stíl Chicago (17ú heag.)Coo, Jan C. M. de. Lithostratigraphy of the Devonian Santa Lucía Limestones in Leon, Spain: Proefschrift. 1974.
Lua MLA (8ú heag.)Coo, Jan C. M. de. Lithostratigraphy of the Devonian Santa Lucía Limestones in Leon, Spain: Proefschrift. 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.