Cita APA (7th ed.)

BOURDAIS, D. ENVOL EXAMEN WORKBOOK. OXFORD UNIVERSITY PRESS.

Cita Chicago (17th ed.)

BOURDAIS, DANIELE. ENVOL EXAMEN WORKBOOK. UK: OXFORD UNIVERSITY PRESS.

Cita MLA (9th ed.)

BOURDAIS, DANIELE. ENVOL EXAMEN WORKBOOK. OXFORD UNIVERSITY PRESS.