Cita APA (7a ed.)

Hartley, B., & Viney, P. Streanline english. Departures: An intensive english course for beginners student´s edition.

Cita Chicago Style (17a ed.)

Hartley, Bernard, y Peter Viney. Streanline English. Departures: An Intensive English Course for Beginners Student´s Edition.

Cita MLA (8a ed.)

Hartley, Bernard, y Peter Viney. Streanline English. Departures: An Intensive English Course for Beginners Student´s Edition.