Markle, S. (1995). Pioneering ocean depths. Atheneum Books for Readers.
Lua i Stíl Chicago (17ú heag.)Markle, Sandra. Pioneering Ocean Depths. New York: Atheneum Books for Readers, 1995.
Lua MLA (9ú heag.)Markle, Sandra. Pioneering Ocean Depths. Atheneum Books for Readers, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.