Peperzak, A. T. (2006). Thinking: From solitude to dialogue and contemplation. Fordham University Press.
Chicago-čujuhus (17. p.)Peperzak, Adriaan Theodoor. Thinking: From Solitude to Dialogue and Contemplation. New York: Fordham University Press, 2006.
MLA-čujuhus (9. p.)Peperzak, Adriaan Theodoor. Thinking: From Solitude to Dialogue and Contemplation. Fordham University Press, 2006.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.