Cita APA (7a ed.)

Norman, D., Levihn, U., & Hedenquist, J. A. Communicative ideas: An approach with classroom activities.

Cita Chicago Style (17a ed.)

Norman, David, Ulf Levihn, y Jan Anders Hedenquist. Communicative Ideas: An Approach with Classroom Activities.

Cita MLA (8a ed.)

Norman, David, et al. Communicative Ideas: An Approach with Classroom Activities.