Cita APA

Stempleski, S., Curtis, A., Douglas, N., Morgan, J., & Johannsen, K. (2006). World pass: Expanding english fluency. Thomson Elt.

Citación estilo Chicago

Stempleski, Susan, Andy Curtis, Nancy Douglas, James Morgan, and Kristin Johannsen. World Pass: Expanding English Fluency. Boston, Ma: Thomson Elt, 2006.

Cita MLA

Stempleski, Susan, et al. World Pass: Expanding English Fluency. Boston, Ma: Thomson Elt, 2006.