Hansen, T. A., & Slesnick, I. L. (2006). Adventures in paleontology: 36 classroom fossil activities. NSTA Press.
Chicago-čujuhus (17. p.)Hansen, Thor A., juo Irwin L. Slesnick. Adventures in Paleontology: 36 Classroom Fossil Activities. Arlington, VA: NSTA Press, 2006.
MLA-čujuhus (9. p.)Hansen, Thor A., juo Irwin L. Slesnick. Adventures in Paleontology: 36 Classroom Fossil Activities. NSTA Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.