Ferrell, O. (2023). Marketing Strategy (8th.). Cengage.
Chicago-čujuhus (17. p.)Ferrell, O.C. Marketing Strategy. 8th. New Delhi: Cengage, 2023.
MLA-čujuhus (9. p.)Ferrell, O.C. Marketing Strategy. 8th. Cengage, 2023.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.