Lionni, L. (1995). On my beach there are many pebbles (1st Mulberry ed.). Mulberry Books.
Chicago-referens (17:e uppl.)Lionni, Leo. On My Beach There Are Many Pebbles. 1st Mulberry ed. New York, N.Y.: Mulberry Books, 1995.
MLA-referens (8:e uppl.)Lionni, Leo. On My Beach There Are Many Pebbles. 1st Mulberry ed. Mulberry Books, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.