APA-čujuhus (7. p.)
Clack, J. A. (2011). Gaining ground: The origin and evolution of tetrapods (2nd ed.). Indiana University Press.
Chicago-čujuhus (17. p.)
Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Bloomington: Indiana University Press, 2011.
MLA-čujuhus (9. p.)
Clack, Jennifer A. Gaining Ground: The Origin and Evolution of Tetrapods. 2nd ed. Indiana University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.