Kathleen Weidner Zoehfeld. (2002). "Dinosaurs Big and Small (Let's-Read-and-Find-Out Science, Stage 1)". HarperCollins.
Chicago-čujuhus (17. p.)Kathleen Weidner Zoehfeld. "Dinosaurs Big and Small (Let's-Read-and-Find-Out Science, Stage 1)". HarperCollins, 2002.
MLA-čujuhus (9. p.)Kathleen Weidner Zoehfeld. "Dinosaurs Big and Small (Let's-Read-and-Find-Out Science, Stage 1)". HarperCollins, 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.