APA-čujuhus (7. p.)
Lenk, H. (2003). Grasping reality: An interpretation-realistic epistemology. World Scientific.
Chicago-čujuhus (17. p.)
Lenk, Hans. Grasping Reality: An Interpretation-realistic Epistemology. River Edge, N.J.: World Scientific, 2003.
MLA-čujuhus (9. p.)
Lenk, Hans. Grasping Reality: An Interpretation-realistic Epistemology. World Scientific, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.