Cita APA (7a ed.)

Hay, M., & Williamson, P. J. (1991). The strategy handbook. Blackwell Business.

Cita Chicago Style (17a ed.)

Hay, Michael, y Peter J. Williamson. The Strategy Handbook. Oxford [etc.]: Blackwell Business, 1991.

Cita MLA (9a ed.)

Hay, Michael, y Peter J. Williamson. The Strategy Handbook. Blackwell Business, 1991.