Wilkinson, A., Kupers, R., Flowers, B. S., & Ho, P. (2014). The essence of scenarios: Learning from the Shell experience. Amsterdam University Press.

Wilkinson, Angela, Roland Kupers, Betty S. Flowers, and Peter Ho. The Essence of Scenarios: Learning from the Shell Experience. Amsterdam, [Netherlands]: Amsterdam University Press, 2014.

Wilkinson, Angela, et al. The Essence of Scenarios: Learning from the Shell Experience. Amsterdam University Press, 2014.