Halal, W. E., Geranmayeh, A., & Pourdehnad, J. (1993). Internal markets: Bringing the power of free enterprise inside your organization. Wiley.

Halal, William E., Ali Geranmayeh, and John Pourdehnad. Internal Markets: Bringing the Power of Free Enterprise Inside Your Organization. New York: Wiley, 1993.

Halal, William E., et al. Internal Markets: Bringing the Power of Free Enterprise Inside Your Organization. Wiley, 1993.