APA-Zitierstil (7. Ausg.)

Clifford, S., & Lager, M. (2006). Vault guide to the top 25 technology consulting firms ([3rd ed., updated & rev.].). New Age International.

Chicago-Zitierstil (17. Ausg.)

Clifford, Stephanie, und Marshall Lager. Vault Guide to the Top 25 Technology Consulting Firms. [3rd ed., updated & rev.]. New Delhi: New Age International, 2006.

MLA-Zitierstil (9. Ausg.)

Clifford, Stephanie, und Marshall Lager. Vault Guide to the Top 25 Technology Consulting Firms. [3rd ed., updated & rev.]. New Age International, 2006.