Pough, F. H., Janis, C. M., & Heiser, J. B. (2005). Vertebrate life (7th ed.). Pearson Prentice Hall.
Chicago-čujuhus (17. p.)Pough, F. Harvey, Christine M. Janis, juo John B. Heiser. Vertebrate Life. 7th ed. Upper Saddle River, NJ: Pearson Prentice Hall, 2005.
MLA-čujuhus (9. p.)Pough, F. Harvey, et al. Vertebrate Life. 7th ed. Pearson Prentice Hall, 2005.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
