Kaplan, R., & Kaplan, S. (1989). The Experience of nature: A psychological perspective. Cambridge University Press.
Chicago-čujuhus (17. p.)Kaplan, Rachel, juo Stephen Kaplan. The Experience of Nature: A Psychological Perspective. New York: Cambridge University Press, 1989.
MLA-čujuhus (9. p.)Kaplan, Rachel, juo Stephen Kaplan. The Experience of Nature: A Psychological Perspective. Cambridge University Press, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.