Cita APA (7th ed.)

Gale, M., & Clay, J. (2000). The sales manager's desktop guide. Hawksmere.

Cita Chicago (17th ed.)

Gale, Mike, i Julian Clay. The Sales Manager's Desktop Guide. London: Hawksmere, 2000.

Cita MLA (9th ed.)

Gale, Mike, i Julian Clay. The Sales Manager's Desktop Guide. Hawksmere, 2000.