Steinbeck, J. (1976). The pearl: The Red Pony. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Steinbeck, John. The Pearl: The Red Pony. New York: Penguin Books, 1976.
Lua MLA (9ú heag.)Steinbeck, John. The Pearl: The Red Pony. Penguin Books, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.