Elsbree, E. S. (1937). Across the Isthmus of Panama. Thomas Nelson & Sons, Ltd.
Lua i Stíl Chicago (17ú heag.)Elsbree, Elizabeth Sellers. Across the Isthmus of Panama. London [etc.]: Thomas Nelson & Sons, Ltd, 1937.
Lua MLA (8ú heag.)Elsbree, Elizabeth Sellers. Across the Isthmus of Panama. Thomas Nelson & Sons, Ltd, 1937.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.