APA-čujuhus (7. p.)
ebrary, Inc, & De Groot, J. (2004). Nature in American philosophy. Catholic University of America Press.
Chicago-čujuhus (17. p.)
ebrary, Inc, juo Jean De Groot. Nature in American Philosophy. Washington, D.C.: Catholic University of America Press, 2004.
MLA-čujuhus (9. p.)
ebrary, Inc, juo Jean De Groot. Nature in American Philosophy. Catholic University of America Press, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.