Bearden, W. O. O. (2007). Marketing: Principles & Pesspectives (5th.). McGraw-Hill Publ.
Chicago-čujuhus (17. p.)Bearden, William O.& Others. Marketing: Principles & Pesspectives. 5th. Boston: McGraw-Hill Publ, 2007.
MLA-čujuhus (9. p.)Bearden, William O.& Others. Marketing: Principles & Pesspectives. 5th. McGraw-Hill Publ, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.