Cita APA

Maurer, J., & Schoenberg, I. E. 1. (1998). True voices, an EFL video: Video workbook. White Plains, N.Y.: Longman.

Citación estilo Chicago

Maurer, Jay, y Irene E. 1946- Schoenberg. True Voices, an EFL Video: Video Workbook. White Plains, N.Y.: Longman, 1998.

Cita MLA

Maurer, Jay, y Irene E. 1946- Schoenberg. True Voices, an EFL Video: Video Workbook. White Plains, N.Y.: Longman, 1998.