Hoyt, J. (1964). Man and the earth. Prentice Hall.
Chicago-čujuhus (17. p.)Hoyt, Joseph. Man and the Earth. Englewood Cliffs: Prentice Hall, 1964.
MLA-čujuhus (9. p.)Hoyt, Joseph. Man and the Earth. Prentice Hall, 1964.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.