Ferrell, O. (2023). Marketing Strategy (8th.). Cengage.
Cita Chicago (17th ed.)Ferrell, O.C. Marketing Strategy. 8th. Cengage, 2023.
Cita MLA (9th ed.)Ferrell, O.C. Marketing Strategy. 8th. Cengage, 2023.
Atenció: Aquestes cites poden no estar 100% correctes.