Cita APA

Hay, M., & Williamson, P. (1991). Straegy handbook. Basil Blackwell.

Chicago Edition Citation

Hay, Michael, i Peter Williamson. Straegy Handbook. UKI: Basil Blackwell, 1991.

Cita MLA

Hay, Michael, i Peter Williamson. Straegy Handbook. Basil Blackwell, 1991.