Cita APA (7th ed.)

Puchta, H., Stranks, J., & Levy, M. (2004). English in mind: Workbook. Cambridge University Press.

Cita Chicago (17th ed.)

Puchta, Herbert, Jeff Stranks, i Meredith Levy. English in Mind: Workbook. Cambridge: Cambridge University Press, 2004.

Cita MLA (9th ed.)

Puchta, Herbert, et al. English in Mind: Workbook. Cambridge University Press, 2004.