VALENTINE, E. K. (2015). Business planning and market strategy. Sage.
Cita Chicago (17th ed.)VALENTINE, E. K. Business Planning and Market Strategy. Sage, 2015.
Cita MLA (9th ed.)VALENTINE, E. K. Business Planning and Market Strategy. Sage, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.