APA-viite (7. p.)

Brooks, I. (1997). The business environment: Challenges and changes. Prentice Hall.

Chicago-viite (17. p.)

Brooks, Ian. The Business Environment: Challenges and Changes. London: Prentice Hall, 1997.

MLA-viite (9. p.)

Brooks, Ian. The Business Environment: Challenges and Changes. Prentice Hall, 1997.