Cita APA

Egbert, J., & Hanson-Smith, E. (2007). Call environments: Research, practice, and critical issues (2. edition.). Virginia: TESOL.

Citación estilo Chicago

Egbert, Joy, y Elizabeth Hanson-Smith. Call Environments: Research, Practice, and Critical Issues. 2. edition. Virginia: TESOL, 2007.

Cita MLA

Egbert, Joy, y Elizabeth Hanson-Smith. Call Environments: Research, Practice, and Critical Issues. 2. edition. Virginia: TESOL, 2007.

Precaución: Estas citas no son 100% exactas.