Cita APA (7a ed.)

Wood, I., & Williams, A. (1998). Pass Cambridge BEC 1: An examination preparation course. Summertown Publishing.

Cita Chicago Style (17a ed.)

Wood, Ian, y Anne Williams. Pass Cambridge BEC 1: An Examination Preparation Course. Summertown: Summertown Publishing, 1998.

Cita MLA (9a ed.)

Wood, Ian, y Anne Williams. Pass Cambridge BEC 1: An Examination Preparation Course. Summertown Publishing, 1998.