Peter, N. (1965). Theory of exchange. Prentice-Hall.
Chicago-čujuhus (17. p.)Peter, NEWMAN. Theory of Exchange. New Jersey: Prentice-Hall, 1965.
MLA-čujuhus (9. p.)Peter, NEWMAN. Theory of Exchange. Prentice-Hall, 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.