Gilligan, C., & Wilson, R. M. S. (2009). Strategic marketing planning (2nd ed.). Butterworth-Heinemann.
Cita Chicago (17th ed.)Gilligan, Colin, i Richard M. S. Wilson. Strategic Marketing Planning. 2nd ed. Burlington, Mass: Butterworth-Heinemann, 2009.
Cita MLA (9th ed.)Gilligan, Colin, i Richard M. S. Wilson. Strategic Marketing Planning. 2nd ed. Butterworth-Heinemann, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.