Richardson, J. E. (2004). Marketing 04/05. Guilford, Conn. : McGraw-Hill/Dushkin.
Chicago-čujuhus (17. p.)Richardson, John E. Marketing 04/05. Guilford, Conn. : McGraw-Hill/Dushkin, 2004.
MLA-čujuhus (9. p.)Richardson, John E. Marketing 04/05. Guilford, Conn. : McGraw-Hill/Dushkin, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.