Gibbon, D., & Smart, T. (1979). New York State and Niagara Falls: A picture book to remember her by. Crescent Books.
Lua i Stíl Chicago (17ú heag.)Gibbon, David, agus Ted Smart. New York State and Niagara Falls: A Picture Book to Remember Her by. New York: Crescent Books, 1979.
Lua MLA (8ú heag.)Gibbon, David, agus Ted Smart. New York State and Niagara Falls: A Picture Book to Remember Her by. Crescent Books, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.