Cita APA (7th ed.)

Wetherly, P., & Otter, D. (2008). The business environment: Themes and issues (2nd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Wetherly, Paul, i Dorron Otter. The Business Environment: Themes and Issues. 2nd ed. Oxford ; New Delhi: Oxford University Press, 2008.

Cita MLA (8th ed.)

Wetherly, Paul, i Dorron Otter. The Business Environment: Themes and Issues. 2nd ed. Oxford University Press, 2008.